APA aipamena

Palmer,laurence e. (1949). Fieldbook of Natural History. McGraw-Hill Book.

Chicago Style aipamena

Palmer,laurence e. Fieldbook of Natural History. New York: McGraw-Hill Book, 1949.

MLA aipamena

Palmer,laurence e. Fieldbook of Natural History. McGraw-Hill Book, 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.