Anderson, Dave, 1961- How to deal with difficult customers : 10 simple strategies for selling to the stubborn, obnoxious, and belligerent / Dave Anderson - Hoboken, N.J. : Wiley, 2007 - xxvi, 159 p. ; 23 cm. ISBN: 0470045477 RM71.80 9780470045473 Subjects--Topical Terms: Selling