Gaya APA

Papyrus, ., Novianti, E, N. (2011). Why? : the reptiles and amphibian = reptilia dan amfibi (Cet. 1). Jakarta: PT Elex Media Komputindo.

Gaya MLA

Papyrus, ., Novianti, Endah, Nawang. "Why? : the reptiles and amphibian = reptilia dan amfibi". Cet. 1 Jakarta: PT Elex Media Komputindo, 2011. Text.