APA način citiranja

Nguyễn Thị Thu Trang. (2004). How to improve speaking skill of English learners at foreign languages centers in Da Nang city. Khoa Anh Ngữ.

Čikaški stil citiranja

Nguyễn Thị Thu Trang. How to Improve Speaking Skill of English Learners At Foreign Languages Centers in Da Nang City. Khoa Anh Ngữ, 2004.

MLA način citiranja

Nguyễn Thị Thu Trang. How to Improve Speaking Skill of English Learners At Foreign Languages Centers in Da Nang City. Khoa Anh Ngữ, 2004.