Gaya APA

Nasution, V, F, I. (2015). Best Of The Best Exercise Toefl . JAKARTA: Jalur Kencana Emas.

Gaya MLA

Nasution, Vivi, Farah, Isfandiary. "Best Of The Best Exercise Toefl". JAKARTA: Jalur Kencana Emas, 2015. Text.