Gaya APA

Riyanto, S. (2008). The 1 Student`s Choice Toefl Preparation (The Of English As A Foreign Language) (Cet.1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "The 1 Student`s Choice Toefl Preparation (The Of English As A Foreign Language)". Cet.1 Yogyakarta: Pustaka Pelajar, 2008. Textbook.