Gaya APA

2, G, F, S, H, S, S, B. (2006). Geography for senior high shcool students: book 2 . Jakarta: Depdikbud.

Gaya MLA

2, Geography, For, Senior, High, Shcool, Students:, Book. "Geography for senior high shcool students: book 2". Jakarta: Depdikbud, 2006. Text.