APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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