(1994). Headway Pre-Intermediate: Student"s book, Workbook. Đồng Nai: Đồng Nai.
Chicago Style CitationHeadway Pre-Intermediate: Student"s Book, Workbook. Đồng Nai: Đồng Nai, 1994.
Cita MLAHeadway Pre-Intermediate: Student"s Book, Workbook. Đồng Nai: Đồng Nai, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.