Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Clarke, David, Michael Macfarlane, i Steve Williams. Focus on Success: Ausgabe Soziales. Berlin: Cornelsen, 2009.

Cita MLA (8th ed.)

Clarke, David, et al. Focus on Success: Ausgabe Soziales. Cornelsen, 2009.