Neungyule education., & Nguyễn Thành Yến. (2009). New TOEIC 4n4: Four weeks for weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনNeungyule education., এবং Nguyễn Thành Yến. New TOEIC 4n4: Four Weeks for Weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2009.
এমএলএ সাইটেশনNeungyule education., এবং Nguyễn Thành Yến. New TOEIC 4n4: Four Weeks for Weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2009.
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