Bevans, M. H. (1956). Tthe book of reptiles and amphibians. Doubleday.
Lua i Stíl Chicago (17ú heag.)Bevans, Mihael H. Tthe Book of Reptiles and Amphibians. Garden City, N.Y: Doubleday, 1956.
Lua MLA (9ú heag.)Bevans, Mihael H. Tthe Book of Reptiles and Amphibians. Doubleday, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.