Gaya APA

Riyanto, S. (2008). Developing Reading Skills for the Toefl Test . Yogyakarta: Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "Developing Reading Skills for the Toefl Test". Yogyakarta: Yogyakarta: Pustaka Pelajar, 2008. Text.