Guerrilla Negotiating Unconventional Weapons and Tactics to Get What You Want Levinson Jay Conrad Heftet / 1999 / Engelsk
Guerrilla TeleSelling New Unconventional Weapons and Tactics to Sell When You Can't be There in Person Levinson Jay Conrad Heftet / 1998 / Engelsk
Guerrilla Trade Show Selling New Unconventional Weapons and Tactics to Meet More People, Get More Leads, and Close More Sales Levinson Jay Conrad Heftet / 1997 / Engelsk