APA Citatie

Green, D., & Diana Green; Sandra Allen; Nguyễn Quốc Hùng. (1999). English in focus level C: Workbook. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh.

Chicago Style citaat

Green, Diana, en Diana Green; Sandra Allen; Nguyễn Quốc Hùng. English in Focus Level C: Workbook. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1999.

MLA citatie

Green, Diana, en Diana Green; Sandra Allen; Nguyễn Quốc Hùng. English in Focus Level C: Workbook. Tp. Hồ Chí Minh: Nxb. Tp. Hồ Chí Minh, 1999.

Let op: Deze citaties zijn niet altijd 100% accuraat.