Gaya APA

Riyanto, S. (2008). The 1st Student's Choice TOEFL Preparation (Test Of English As A Foreign Language) (ed.2 cet.1). Yogyakarta: Pustaka Baru Press.

Gaya MLA

Riyanto, Slamet. "The 1st Student's Choice TOEFL Preparation (Test Of English As A Foreign Language)". ed.2 cet.1 Yogyakarta: Pustaka Baru Press, 2008. Text.