..., & Lê Huy Lâm. (1997). Tài liệu thi TOEFL =: The Heinle and Heinle TOEFL test assistant. TP.HCM: TP.HCM.
Chicago Style Citation..., i Lê Huy Lâm. Tài Liệu Thi TOEFL =: The Heinle and Heinle TOEFL Test Assistant. TP.HCM: TP.HCM, 1997.
Cita MLA..., i Lê Huy Lâm. Tài Liệu Thi TOEFL =: The Heinle and Heinle TOEFL Test Assistant. TP.HCM: TP.HCM, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.