APA aipamena

Hammond J. (1971). Hammond's farm animals (4th ed.). Arnold.

Chicago Style aipamena

Hammond J. Hammond's Farm Animals. 4th ed. Arnold, 1971.

MLA aipamena

Hammond J. Hammond's Farm Animals. 4th ed. Arnold, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.