APA aipamena

Richard Sadler. (1973). Reproduction of vertebrates. Academic press.

Chicago Style aipamena

Richard Sadler. Reproduction of Vertebrates. Academic press, 1973.

MLA aipamena

Richard Sadler. Reproduction of Vertebrates. Academic press, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.