Παραπομπή APA

Education, N., & Neungyule Education ; Nguyễn Thành Yến. (2009). New TOEIC 4n4: Four weeks for weakness 860 level. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty TNHH Nhân Trí Việt.

Παραπομπή Chicago Style

Education, Neungyule, και Neungyule Education ; Nguyễn Thành Yến. New TOEIC 4n4: Four Weeks for Weakness 860 Level. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty TNHH Nhân Trí Việt, 2009.

Παραπομπή MLA

Education, Neungyule, και Neungyule Education ; Nguyễn Thành Yến. New TOEIC 4n4: Four Weeks for Weakness 860 Level. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh,Công ty TNHH Nhân Trí Việt, 2009.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.