APA aipamena

Barnett, A. (1961). The Human Species: A biology of man. Harmondsworth, Middlesex: Penguin Books.

Chicago Style aipamena

Barnett, Anthony. The Human Species: A Biology of Man. Harmondsworth, Middlesex: Penguin Books, 1961.

MLA aipamena

Barnett, Anthony. The Human Species: A Biology of Man. Harmondsworth, Middlesex: Penguin Books, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.