Gaya APA

Huda, Z, A. (2017). Ultimate Edition TOEFL: Fokus Pendalaman Materi & Soal (-). Surabaya: Genta Group Production.

Gaya MLA

Huda, Zin-Giber, Al. "Ultimate Edition TOEFL: Fokus Pendalaman Materi & Soal". - Surabaya: Genta Group Production, 2017. Text.