Gaya APA

Riyanto, S. et al (2008). A quick and effective strategy to understand structure and written expression for toefl test: kupas tuntas strategi cepat dan efektif memahami soal structure dan written expression . Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. et al. "A quick and effective strategy to understand structure and written expression for toefl test: kupas tuntas strategi cepat dan efektif memahami soal structure dan written expression". Yogyakarta: Pustaka Pelajar, 2008. Text.