APA aipamena

(1991). Oceans and islands: The encyclopedia of the earth. Smithmark.

Chicago Style aipamena

Oceans and Islands: The Encyclopedia of the Earth. New York, N.Y: Smithmark, 1991.

MLA aipamena

Oceans and Islands: The Encyclopedia of the Earth. Smithmark, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.