Wells, S., & Hanna, N. (1992). The greenpeace book of coral reefs. Cameron Books.
Cita Chicago (17th ed.)Wells, Sue, i Nick Hanna. The Greenpeace Book of Coral Reefs. Dumfrieshire, Scotland: Cameron Books, 1992.
Cita MLA (9th ed.)Wells, Sue, i Nick Hanna. The Greenpeace Book of Coral Reefs. Cameron Books, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.