APA aipamena

Stebbins, R. C. Amphibians and Reptiles of Western North America. McGraw-Hill.

Chicago Style aipamena

Stebbins, Robert C. Amphibians and Reptiles of Western North America. McGraw-Hill.

MLA aipamena

Stebbins, Robert C. Amphibians and Reptiles of Western North America. McGraw-Hill.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.