APA ציטוט

Jefferson, T. A. (2008). Marine mammals of the world: A Comprehensive Guide to Their Identification. London: Elsevier.

Trích dẫn kiểu Chicago

Jefferson, Thomas A. Marine Mammals of the World: A Comprehensive Guide to Their Identification. London: Elsevier, 2008.

ציטוט MLA

Jefferson, Thomas A. Marine Mammals of the World: A Comprehensive Guide to Their Identification. London: Elsevier, 2008.