APA aipamena

(1980). Animals and their young. London: Purnell & Son Ltd.

Chicago Style aipamena

Animals and Their Young. London: Purnell & Son Ltd, 1980.

MLA aipamena

Animals and Their Young. London: Purnell & Son Ltd, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.