APA aipamena

Education, N., & Neungyule Education. (2009). New TOEIC 4n4, 860 level: Four weeks, for weakness. Tp. Hồ Chí Minh: Tổng hợp TP.HCM.

Chicago Style aipamena

Education, Neungyule, và Neungyule Education. New TOEIC 4n4, 860 Level: Four Weeks, for Weakness. Tp. Hồ Chí Minh: Tổng hợp TP.HCM, 2009.

MLA aipamena

Education, Neungyule, và Neungyule Education. New TOEIC 4n4, 860 Level: Four Weeks, for Weakness. Tp. Hồ Chí Minh: Tổng hợp TP.HCM, 2009.