Jobber, D. a. L. (2005). Selling and sales management (6 edition.).
Chicago Edition CitationJobber, David and Lancaster. Selling and Sales Management. 6 edition. Pearson Education Asia, 2005.
Cita MLAJobber, David and Lancaster. Selling and Sales Management. 6 edition. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.