Ardrey, B. (1970). The social contract: A personal inquiry into the evolutionary sources of order and disorder. New York: Atheneum.
Chicago Style CitationArdrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.
Cita MLAArdrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.