APA aipamena

Tran Thi Thanh Yen., & Duong Thi Cao Ha. (1999). Comparison and contrast between English and Vietnamese diphthong systems. Đà nẵng.

Chicago Style aipamena

Tran Thi Thanh Yen., và Duong Thi Cao Ha. Comparison and Contrast between English and Vietnamese Diphthong Systems. Đà nẵng, 1999.

MLA aipamena

Tran Thi Thanh Yen., và Duong Thi Cao Ha. Comparison and Contrast between English and Vietnamese Diphthong Systems. Đà nẵng, 1999.

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