(2012). TOEIC SMART yellow book : Grammar: Textbook. TP. HCM: Tổng hợp.
Chicago Style aipamenaTOEIC SMART Yellow Book : Grammar: Textbook. TP. HCM: Tổng hợp, 2012.
MLA aipamenaTOEIC SMART Yellow Book : Grammar: Textbook. TP. HCM: Tổng hợp, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.