APA aipamena

Nguyễn Thị Nhung, & Tran Quang Hai, P. (2012). A study of opening conversation on the phone in English and Vietnamese. Đà Nẵng: The University of Da Nang.

Chicago Style aipamena

Nguyễn Thị Nhung, và Ph.D. Tran Quang Hai. A Study of Opening Conversation On the Phone in English and Vietnamese. Đà Nẵng: The University of Da Nang, 2012.

MLA aipamena

Nguyễn Thị Nhung, và Ph.D. Tran Quang Hai. A Study of Opening Conversation On the Phone in English and Vietnamese. Đà Nẵng: The University of Da Nang, 2012.