What I Learned From Sam Walton : How to Compete and Thrive in a Wal-Mart WorldMichael Bergdahl, forew. by William S. Cody2004PDF
In Sam We Trust: The Untold Story of Sam Walton and Wal-Mart, the World's Most Powerful RetailerBob Ortega1998PDF
沃尔玛策略 : how to compete and thrive in a Wal-Mart world = What I learned from Sam Walton(美)迈克尔·贝里达尔(Michael Bergdahl)著, 2 more2006PDF