APA (7th ed.) Zitazioa
Piper, R. (2011). Pests: A guide to the world's most maligned, yet misunderstood creatures. Greenwood.
Chicago Style (17th ed.) Zitazioa
Piper, Ross. Pests: A Guide to the World's Most Maligned, yet Misunderstood Creatures. Santa Barbara, Calif.: Greenwood, 2011.
MLA (9th ed.) Zitazioa
Piper, Ross. Pests: A Guide to the World's Most Maligned, yet Misunderstood Creatures. Greenwood, 2011.
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