Ardrey, R. (1970). The social contract: A personal enquiry into the evolutionary sources of order and disorder. Collins.
Citace podle Chicago (17th ed.)Ardrey, Robert. The Social Contract: A Personal Enquiry into the Evolutionary Sources of Order and Disorder. London: Collins, 1970.
Citace podle MLA (9th ed.)Ardrey, Robert. The Social Contract: A Personal Enquiry into the Evolutionary Sources of Order and Disorder. Collins, 1970.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..