Gaya APA

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

Gaya MLA

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