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.