First News. (2007). Building skills for the TOEFL iBT: Beginning. Tp. Hồ Chí Minh: Trẻ.
Trích dẫn kiểu ChicagoFirst News. Building Skills for the TOEFL IBT: Beginning. Tp. Hồ Chí Minh: Trẻ, 2007.
MLA引文First News. Building Skills for the TOEFL IBT: Beginning. Tp. Hồ Chí Minh: Trẻ, 2007.
警告:这些引文格式不一定是100%准确.