Gaya APA

Zein, R, A. (2008). Barron's practice exercises for the TOEFL (Ed. 6). Bandung: Binarupa Aksara.

Gaya MLA

Zein, Rizqy, Amelia. "Barron's practice exercises for the TOEFL". Ed. 6 Bandung: Binarupa Aksara, 2008. Text.