Shape, P. J., & Nguyễn Văn Phước. (2003). How to prepare for the TOEFL test: Test of English as a foreign language (9th ed.). Tp.HCM: Nxb Trẻ.
Chicago Style aipamenaShape, Palmela J., và Nguyễn Văn Phước. How to Prepare for the TOEFL Test: Test of English As a Foreign Language. 9th ed. Tp.HCM: Nxb Trẻ, 2003.
MLA aipamenaShape, Palmela J., và Nguyễn Văn Phước. How to Prepare for the TOEFL Test: Test of English As a Foreign Language. 9th ed. Tp.HCM: Nxb Trẻ, 2003.
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