APA (7th ed.) Zitazioa

GESAMP. (1990). The state of the marine environment. Blackwell.

Chicago Style (17th ed.) Zitazioa

GESAMP. The State of the Marine Environment. Londres: Blackwell, 1990.

MLA (9th ed.) Zitazioa

GESAMP. The State of the Marine Environment. Blackwell, 1990.