APA aipamena

Colman, J. S. (1958). Sea and its mysteries 1950.

Chicago Style aipamena

Colman, John S. Sea and Its Mysteries 1950. 1958.

MLA aipamena

Colman, John S. Sea and Its Mysteries 1950. 1958.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.