Gaya APA

Riyanto, S. (2007). The 1st Student Choice Toefl ( Test Of English As A Foreign Language): Test Strategy For Structure And Written Expression (Cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "The 1st Student Choice Toefl ( Test Of English As A Foreign Language): Test Strategy For Structure And Written Expression". Cet. 1 Yogyakarta: Pustaka Pelajar, 2007. Text.