Παραπομπή APA

Russell Sage Foundation., & Phelps, E. S. (1975). Altruism, morality, and economic theory. New York: Russell Sage Foundation.

Παραπομπή Chicago Style

Russell Sage Foundation., and Edmund S. Phelps. Altruism, Morality, and Economic Theory. New York: Russell Sage Foundation, 1975.

Παραπομπή MLA

Russell Sage Foundation., and Edmund S. Phelps. Altruism, Morality, and Economic Theory. New York: Russell Sage Foundation, 1975.

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