HOÀNG TÂN. (2008). TOEFL iBT INSIDER Writing. TP.HCM: toongr hợp.
Trích dẫn kiểu ChicagoHOÀNG TÂN. TOEFL IBT INSIDER Writing. TP.HCM: toongr hợp, 2008.
MLA引文HOÀNG TÂN. TOEFL IBT INSIDER Writing. TP.HCM: toongr hợp, 2008.
警告：这些引文格式不一定是100％准确.
APA引文