Gaya APA

RIYANTO, S., W, B, R. (2013). Essential Grammar and Reading Strategy for TOEFL Test (ed. 1). Yogyakarta: Andi.

Gaya MLA

RIYANTO, Slamet., W, BENEDICTA, Rini. "Essential Grammar and Reading Strategy for TOEFL Test". ed. 1 Yogyakarta: Andi, 2013. Text.