New Science of Selling and Persuasion How Smart Companies and Great Salespeople Sell Brooks William T. Innbundet / 2004 / Engelsk
Playing Bigger Than You Are How to Sell Big Accounts Even if You're David in a World of Goliaths Brooks William T. Innbundet / 2009 / Engelsk
How to Sell at Margins Higher Than Your Competitors Winning Every Sale at Full Price, Rate, or Fee Steinmetz, Lawrence L. Innbundet / 2005 / Engelsk