Gaya APA

Riyanto, S. (2008). The 1st Student's Choice Toefl Preparation : (Test of English as a Foreign Language) (Cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "The 1st Student's Choice Toefl Preparation : (Test of English as a Foreign Language)". Cet. 1 Yogyakarta: Pustaka Pelajar, 2008. Monograf.