Παραπομπή APA

Ardrey, B. (1970). The social contract: A personal inquiry into the evolutionary sources of order and disorder. New York: Atheneum.

Παραπομπή Chicago Style

Ardrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.

Παραπομπή MLA

Ardrey, Berdine. The Social Contract: A Personal Inquiry Into the Evolutionary Sources of Order and Disorder. New York: Atheneum, 1970.

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