APA aipamena

Trà Huyền Trang. (2014). An Investigation into Difficulties in English Pronunciation of the First year Students of English Department at the College of Foreign Language, University of Danang. DHNN.

Chicago Style aipamena

Trà Huyền Trang. An Investigation Into Difficulties in English Pronunciation of the First Year Students of English Department At the College of Foreign Language, University of Danang. DHNN, 2014.

MLA aipamena

Trà Huyền Trang. An Investigation Into Difficulties in English Pronunciation of the First Year Students of English Department At the College of Foreign Language, University of Danang. DHNN, 2014.