Gaya APA

Riyanto, S. et al (2016). A quick and effective strategy to understand structure and written expression for TOEFL test (Cet. 2). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. et al. "A quick and effective strategy to understand structure and written expression for TOEFL test". Cet. 2 Yogyakarta: Pustaka Pelajar, 2016. Text.