Cita APA

Johnston, M. W., & Marshall, G. W. (2008). Relationship selling. Boston: McGraw-Hill/Irwin.

Chicago Style Citation

Johnston, Mark W., and Greg W. Marshall. Relationship Selling. Boston: McGraw-Hill/Irwin, 2008.

Cita MLA

Johnston, Mark W., and Greg W. Marshall. Relationship Selling. Boston: McGraw-Hill/Irwin, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.