AAker, D. A., & Johnston, M. W. (2003). Churchill ford walkers sales force management. McGraw-Hill.
Chicago Style (17th ed.) CitationAAker, David A., i Mark W. Johnston. Churchill Ford Walkers Sales Force Management. McGraw-Hill, 2003.
Cita MLAAAker, David A., i Mark W. Johnston. Churchill Ford Walkers Sales Force Management. McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.