APA (7e ed.) Bronvermelding

Christie, D. (1999). Focus on Business: Workbook / [David Christie] (New edition.). Cornelsen & Oxford.

Chicago (17e ed.) Bronvermelding

Christie, David. Focus on Business: Workbook / [David Christie]. New edition. Berlin: Cornelsen & Oxford, 1999.

MLA (8e ed.) Bronvermelding

Christie, David. Focus on Business: Workbook / [David Christie]. New edition. Cornelsen & Oxford, 1999.

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