MBA in a Book: Fundamental Principles of Business, Sales, and Leadership Autor Leslie Pockell et al. 26 mar 2009 Paperback Preț: 136.40 lei 3-5 săpt.
The 100 Greatest Leadership Principles of All Time Autor Leslie Pockell et al. 31 aug 2007 Hardback Preț: 224.58 lei 6-8 săpt.