APA aipamena

MASON PAUL. (2019). WORLD IN PERIL OCEANS UNDER THREAT (2009 Ed.). HEINEMANN LIBRARY.

Chicago Style aipamena

MASON PAUL. WORLD IN PERIL OCEANS UNDER THREAT. 2009 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

MLA aipamena

MASON PAUL. WORLD IN PERIL OCEANS UNDER THREAT. 2009 Ed. HEINEMANN LIBRARY, 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.