(2003). TOEFL: Practice tests workbook : Test of English as a foreign language. Thành phố Hồ Chí Minh: Trẻ.
Dyfyniad Arddull ChicagoTOEFL: Practice Tests Workbook : Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2003.
Dyfyniad MLATOEFL: Practice Tests Workbook : Test of English As a Foreign Language. Thành phố Hồ Chí Minh: Trẻ, 2003.
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