APA (7th ed.) Citation

Clarke, D., & Macfarlane, M. (2007). Focus on Business Workbook (New edition.). Cornelsen.

Chicago Style (17th ed.) Citation

Clarke, David, and Michael Macfarlane. Focus on Business Workbook. New edition. Berlin: Cornelsen, 2007.

MLA (8th ed.) Citation

Clarke, David, and Michael Macfarlane. Focus on Business Workbook. New edition. Cornelsen, 2007.

Warning: These citations may not always be 100% accurate.