APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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