APA aipamena

Johnston, M. W., & Marshall, G. W. (2005). Relationship selling and sales management. McGraw-Hill/Irwin.

Chicago Style aipamena

Johnston, Mark W., and Greg W. Marshall. Relationship Selling and Sales Management. New York, N.Y: McGraw-Hill/Irwin, 2005.

MLA aipamena

Johnston, Mark W., and Greg W. Marshall. Relationship Selling and Sales Management. McGraw-Hill/Irwin, 2005.