APA (7th ed.) Zitazioa
Adler, K., & Halliday, T. (2004). The new encyclopedia of reptiles and amphibians. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Adler, Kraig, eta Tim Halliday. The New Encyclopedia of Reptiles and Amphibians. Oxford, New York: Oxford University Press, 2004.
MLA (9th ed.) Zitazioa
Adler, Kraig, eta Tim Halliday. The New Encyclopedia of Reptiles and Amphibians. Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.