APA (7th ed.) Citation

Clarke, D., & Macfarlane, M. (2009). Focus on Success: Ausgabe Technik. Cornelsen.

Chicago Style (17th ed.) Citation

Clarke, David, and Michael Macfarlane. Focus on Success: Ausgabe Technik. Berlin: Cornelsen, 2009.

MLA (8th ed.) Citation

Clarke, David, and Michael Macfarlane. Focus on Success: Ausgabe Technik. Cornelsen, 2009.