Gaya APA

A, F. (2017). TOP MASTER IELTS: 88 USEFUL TIPS TO PURPOSE OVERALL BAND SCORE OF 8.0 (1). Jakarta: Grasindo.

Gaya MLA

A, F.. TOP MASTER IELTS: 88 USEFUL TIPS TO PURPOSE OVERALL BAND SCORE OF 8.0. 1 Jakarta: Grasindo, 2017. Text.