APA-viite

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

Chicago-tyylinen lähdeviittaus

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-viite

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

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