APA引文

Douglas Pierce. (2007). Cracking the TOEFL iBT. Tp. Hồ Chí Minh: Trẻ.

Trích dẫn kiểu Chicago

Douglas Pierce. Cracking the TOEFL IBT. Tp. Hồ Chí Minh: Trẻ, 2007.

MLA引文

Douglas Pierce. Cracking the TOEFL IBT. Tp. Hồ Chí Minh: Trẻ, 2007.

警告：這些引文格式不一定是100％准確.