ZUG, G. R. (1993). Herpetology: An Introduction Biology Of Amphibians And Reptiles / George R. Zug. Academic Press.
Lua i Stíl Chicago (17ú heag.)ZUG, George R. Herpetology: An Introduction Biology Of Amphibians And Reptiles / George R. Zug. Academic Press, 1993.
Lua MLA (8ú heag.)ZUG, George R. Herpetology: An Introduction Biology Of Amphibians And Reptiles / George R. Zug. Academic Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.