L.Hicks, K. (2009). Rourke's World of Science: ENCYCLOPEDIA : Volume 2- Animal Life. Rourke Publishing.
Čikaški stil citiranja (17. izdanje)L.Hicks, Kelli. Rourke's World of Science: ENCYCLOPEDIA : Volume 2- Animal Life. Rourke Publishing, 2009.
MLA način citiranja (8. izdanje)L.Hicks, Kelli. Rourke's World of Science: ENCYCLOPEDIA : Volume 2- Animal Life. Rourke Publishing, 2009.
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