Cita APA

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.

Citación estilo Chicago

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

Cita MLA

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