Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.