Lee Se-yeong. (2011). Toeic Speaking New Toeic Edition. Tổng Hợp TPHCM.
Chicago ZitierstilLee Se-yeong. Toeic Speaking New Toeic Edition. Tổng Hợp TPHCM, 2011.
MLA ZitierstilLee Se-yeong. Toeic Speaking New Toeic Edition. Tổng Hợp TPHCM, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.