APA-viite

Neungyule Education; Nguyễn Thành Yến. (2009). New TOEIC 4n4, 730 level: Four weeks, for weakness. Tp. Hồ Chí Minh: Tổng hợp TP.Hồ Chí Minh.

Chicago-tyylinen lähdeviittaus

Neungyule Education; Nguyễn Thành Yến. New TOEIC 4n4, 730 Level: Four Weeks, for Weakness. Tp. Hồ Chí Minh: Tổng hợp TP.Hồ Chí Minh, 2009.

MLA-viite

Neungyule Education; Nguyễn Thành Yến. New TOEIC 4n4, 730 Level: Four Weeks, for Weakness. Tp. Hồ Chí Minh: Tổng hợp TP.Hồ Chí Minh, 2009.

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