एपीए उद्धरण

Neungyule education., & Nguyễn Thành Yến. (2009). New TOEIC 4n4 :620 level: Four weeks for weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt.

शिकागो स्टाइल उद्धरण

Neungyule education., और Nguyễn Thành Yến. New TOEIC 4n4 :620 Level: Four Weeks for Weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2009.

एमएलए उद्धरण

Neungyule education., और Nguyễn Thành Yến. New TOEIC 4n4 :620 Level: Four Weeks for Weakness. Tp.HCM: Nxb. Tổng hợp Tp.HCM : Nhân Trí Việt, 2009.