APA Citatie

Nguyễn Quốc Hùng. (1998). English in Focus Level B workbook. TPHCM.

Chicago Style citaat

Nguyễn Quốc Hùng. English in Focus Level B Workbook. TPHCM, 1998.

MLA citatie

Nguyễn Quốc Hùng. English in Focus Level B Workbook. TPHCM, 1998.

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