Johnston, M. y Marshall, G. (2009). Administración de ventas. México: McGraw Hill.
Capítulo:
Keillor, B. et al (1999). Sales force performance satisfaction and aspects of relational selling: Implications for sales managers. Journal of Marketing Theory and Practice. Recuperado de http://0-search.proquest.com.millenium.itesm.mx/abiglobal/docview /212240801/FFF77B1A16F94368PQ/4?accountid=11643
Kelly, D. (2012). Top Ways To Evaluate a Salesperson's Performance. Recuperado de
http://www.prosalesmagazine.com/business/sales/top-ways-to-evaluate-a-salespersons-performance_o