APA Style

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

MLA Style

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