Gaya APA

ENGLISH, J, A, &, T. (2018). TOP SCORE TOEFL BOOSTER 600+ (1). Yogyakarta: Forum Edukasi.

Gaya MLA

ENGLISH, JENNY, AIRIN, &, TIM. "TOP SCORE TOEFL BOOSTER 600+". 1 Yogyakarta: Forum Edukasi, 2018. Text.