APA aipamena

HolmesS J. (1960). The biology of the frog (4th ed.). McMillan.

Chicago Style aipamena

HolmesS J. The Biology of the Frog. 4th ed. McMillan, 1960.

MLA aipamena

HolmesS J. The Biology of the Frog. 4th ed. McMillan, 1960.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.