Nguyễn, T. C. (1999). TOEFL vocabulary: 500 commonly used words for the TOEFL reading comprehension tests. Tp. Hồ Chí Minh: Trẻ.
Styl ChicagoNguyễn, Thanh Chương. TOEFL Vocabulary: 500 Commonly Used Words for the TOEFL Reading Comprehension Tests. Tp. Hồ Chí Minh: Trẻ, 1999.
Citace podle MLANguyễn, Thanh Chương. TOEFL Vocabulary: 500 Commonly Used Words for the TOEFL Reading Comprehension Tests. Tp. Hồ Chí Minh: Trẻ, 1999.
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