APA aipamena

(1998). Encyclopedia of birds: The comprehensive illustrated guide by international experts. San Diego, CA: Academic Press.

Chicago Style aipamena

Encyclopedia of Birds: The Comprehensive Illustrated Guide By International Experts. San Diego, CA: Academic Press, 1998.

MLA aipamena

Encyclopedia of Birds: The Comprehensive Illustrated Guide By International Experts. San Diego, CA: Academic Press, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.