The 360 Degree Leader: Developing Your Influence from Anywhere in the Organization by John C. Maxwell
LEADERSHIP 3.0: ULTIMATE GUIDE TO MAXIMIZE YOUR POTENTIAL, HOW TO BE AN EXCEPTIONAL TEAM LEADER, THEORY AND PRACTICES by Nigel Daveyson
El lder que no tena cargo: Una fbula moderna sobre el liderazgo en la empresa y en la vida by Robin Sharma