एपीए उद्धरण

Nguyễn Khoa Diệu Hạnh. (2001). English Vowel Sounds Experienced by fist year Students of English at Danang University Problems and Solutions.

शिकागो स्टाइल उद्धरण

Nguyễn Khoa Diệu Hạnh. English Vowel Sounds Experienced By Fist Year Students of English At Danang University Problems and Solutions. 2001.

एमएलए उद्धरण

Nguyễn Khoa Diệu Hạnh. English Vowel Sounds Experienced By Fist Year Students of English At Danang University Problems and Solutions. 2001.

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