Gaya APA

PAPYRUS, et al. (2011). Why ? The Reptiles and Amphibian (Reptilia dan Amfibi) . Jakarta: Elex Media Komputindo.

Gaya MLA

PAPYRUS, et al.. Why ? The Reptiles and Amphibian (Reptilia dan Amfibi). Jakarta: Elex Media Komputindo, 2011. Text.