(2008). TOEFL iBT Activator reading: Intermediate. TP. Hồ Chí Minh: Tổng hợp TP. Hồ Chí Minh.
Παραπομπή Chicago StyleTOEFL IBT Activator Reading: Intermediate. TP. Hồ Chí Minh: Tổng hợp TP. Hồ Chí Minh, 2008.
Παραπομπή MLATOEFL IBT Activator Reading: Intermediate. TP. Hồ Chí Minh: Tổng hợp TP. Hồ Chí Minh, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.