Gaya APA

Priyasudiarja, Y., Untari, C, K. (2018). All in one TOEFL grammar : a complete preparation course for TOEFL grammar . Jakarta: Grasindo.

Gaya MLA

Priyasudiarja, Yusuf., Untari, Cindy, Kus. "All in one TOEFL grammar : a complete preparation course for TOEFL grammar". Jakarta: Grasindo, 2018. Text.