Dyfyniad APA

AAker, D. A., & Johnston, M. W. (2003). Churchill ford walkers sales force management. McGraw-Hill.

Dyfyniad Arddull Chicago

AAker, David A., and Mark W. Johnston. Churchill Ford Walkers Sales Force Management. McGraw-Hill, 2003.

Dyfyniad MLA

AAker, David A., and Mark W. Johnston. Churchill Ford Walkers Sales Force Management. McGraw-Hill, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.