МенеджментGuerrilla Marketing for Consultants. Breakthrough Tactics for Winning Profitable ClientsJay Conrad Levinson, Michael W. McLaughlin
Поиск работы и карьераGuerrilla Marketing for Job Hunters 3.0. How to Stand Out from the Crowd and Tap Into the Hidden Job Market using Social Media and 999 other Tactics TodayDavid E. Perry, Jay Conrad Levinson