APA aipamena

Budker. (1971). The life of sharks (4th ed.). Wiedenfeld & Nicolson.

Chicago Style aipamena

Budker. The Life of Sharks. 4th ed. Wiedenfeld & Nicolson, 1971.

MLA aipamena

Budker. The Life of Sharks. 4th ed. Wiedenfeld & Nicolson, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.