APA (7th ed.) Zitazioa
ebrary, Inc. (1989). Our seabed frontier: Challenges and choices. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Our Seabed Frontier: Challenges and Choices. Washington, D.C.: National Academy Press, 1989.
MLA (9th ed.) Zitazioa
ebrary, Inc. Our Seabed Frontier: Challenges and Choices. National Academy Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.