APA način citiranja (7. izdanje)

Clarke, D., & Macfarlane, M. (2006). Focus on Business (New edition.). Cornelsen.

Čikaški stil citiranja (17. izdanje)

Clarke, David, i Michael Macfarlane. Focus on Business. New edition. Berlin: Cornelsen, 2006.

MLA način citiranja (8. izdanje)

Clarke, David, i Michael Macfarlane. Focus on Business. New edition. Cornelsen, 2006.