APA način citiranja

Nguyễn Thị Ngọc Diệp, & Luu Quy Khuong, A. P. D. (2012). A study of some linguistic features of Barack Obama's English speeches. Đà Nẵng: The University of Da Nang.

Čikaški stil citiranja

Nguyễn Thị Ngọc Diệp, i Assoc. Prof. Dr. Luu Quy Khuong. A Study of Some Linguistic Features of Barack Obama's English Speeches. Đà Nẵng: The University of Da Nang, 2012.

MLA način citiranja

Nguyễn Thị Ngọc Diệp, i Assoc. Prof. Dr. Luu Quy Khuong. A Study of Some Linguistic Features of Barack Obama's English Speeches. Đà Nẵng: The University of Da Nang, 2012.