Packer C. (1977). Reciprocal altruism in olive baboons // Nature, 265, 441—443.

Packer C. & Pusey A. (1985). Asymmetric contests in social mammals: respect, manipulation and age-specific aspects // P J. Greenwood & P H. Harvey (Eds.), Evolution: Essays in Honour of John Maynard Smith (p. 173—186). Cambridge: Cambridge University Press.

Packer C. & Ruttan L. (1988). The evolution of cooperative hunting // American Naturalist, 132, 159—198.

Paladino M.-P, Leyens J.-P, Rodriguez R., Rodriguez A., Gaunt R. & Demoulin S. (2002). Differential association of uniquely and non-uniquely human emotions with the ingroup and outgroup // Group Processes and Intergroup Relations, 5, 105—117.

Parr L. A. (2001). Cognitive and psychological markers of emotional awareness in chimpanzees // Animal Cognition, 4, 223—229.

Patterson O. (1982). Slavery and Social Death. Cambridge, MA: Harvard University Press.

Peake P K., Mischel W. & Hebl M. (2002). Strategic attention deployment for delay of gratification in working and waiting situations // Developmental Psychology, 38(2), 313—326.

Peterson L., Hartmann D. P & Gelfand D. M. (1977). Developmental changes in the effects of dependency and reciprocity cues on children’s moral judgments and donation rates // Child Development, 48,1331—1339.

Petrinovich L. & O'Neill P (1996). Influence of wording and framing effects on moral intuitions // Ethology and Sociobiology, 17, 145—171.

Petrinovich L.yO'Neill P & Jorgensen M. J. (1993). An empirical study of moral intuitions: towards an evolutionary ethics // Ethology and Sociobiology, 64, 467— 478.

Phelps E. A.yO'Connor K. Cunningham W. A., Funayama S.yGatenby J. C, Gore J. C. & Banaji M. R. (2000). Performance on indirect measures of race evaluation predicts amygdala activation // Journal of Cognitive Neuroscience, 72, 729—738.

Piaget J. (1932/1965). The Moral Judgment of the Child. New York: Free Press.

Piaget J. (1954). The Construction of Reality in the Child. New York: Basic Books.

Pica PyLemer C, Izard V & Dehaene S. (2004). Exact and approximate arithmetic in an Amazonian Indigene Group // Science, 306y 499—503.

Pinker S. (1994). The Language Instinct. New York: William Morrow and Company.

Pinker S. (1997). How the Mind Works. New York: Norton.

Pinker S. (2002). The Blank Slate. New York: Penguin.

Pinker S. & Jackendoff R. (2005). The faculty of language: what’s special about it? // Cognition, 95, 201—236.

Platek S. M.y Critton S. R.yMyers T E. & Gallup G. G.,/r. (2003). Contagious yawning: the role of self-awareness and mental state attribution // Cognitive Brain Research, 17у 223—227.

Polak A. & Harris P L. (1999). Deception by young children following noncompliance // Developmental Psychology, 35, 561—568.

Posner E. A. (2000). Law and Social Norms. Cambridge, MA: Harvard University Press.

Posner R. A. (1992). Sex and Reason. Cambridge, MA: Harvard University Press.

Posner R. A. (1998). The problematics of moral and legal theory // Harvard Law Review, Illy 1637—1717.