Gaya APA

Cysso, D, R. (2004). English Grammar Practice For Toefl : Persiapan Test (revisi Cet.9). Jakarta: Puspa Swara.

Gaya MLA

Cysso, Dhanny, R.. "English Grammar Practice For Toefl : Persiapan Test". revisi Cet.9 Jakarta: Puspa Swara, 2004. Text.