University of Georgia: John Burnett's "Core Concepts of Marketing: Sales Promotion and Public Relations"
Read the section titled "Sales Promotion and Public Relations” (pp. 204-220) to gain an understanding of the sales force.
Click http://www.saylor.org/site/wp-content/uploads/2012/12/BUS203-5.2.3_Sales-promotion-and-PR.pdf link to open resource.