APA引文

Hahn, R. (2011). A1 TOEFL IBT: Writing. Tp.Hồ Chí Minh: Trẻ;Kelt.

Trích dẫn kiểu Chicago

Hahn, Richie. A1 TOEFL IBT: Writing. Tp.Hồ Chí Minh: Trẻ;Kelt, 2011.

MLA引文

Hahn, Richie. A1 TOEFL IBT: Writing. Tp.Hồ Chí Minh: Trẻ;Kelt, 2011.

警告：這些引文格式不一定是100％准確.