The Dirty Tricks of Negotiating: Strategies to win every negotiation and strengthen your position of power: Discover and master the rules of negotiation George van Houtem4
Super Accountmanager: Sales success through customer focus and distinctive actions: The modern salesguide for every (new) accountmanager N.I.B. Provocateur3.2
Trust Me, I'm a Salesman: How to Earn Customers through Trust and Value: How to Earn Customers through Trust and Value Yuri van der Sluis2.5