Gaya APA

Satrio, T, B. (2004). Havefun 1 English Supplementary Textbook For SMP . Bogor: Yudhistira.

Gaya MLA

Satrio, Tri, Budhi. "Havefun 1 English Supplementary Textbook For SMP". Bogor: Yudhistira, 2004. Text.