Steve Jobs vs. Sam Walton: The tale of the tape - Fortune Management
http://management.fortune.cnn.com/2012/11/15/steve-jobs-sam-walton/

賈伯斯和 Wal-Mart 創辦人沃爾頓有何關聯？ 
http://techorange.com/2012/11/21/steve-jobs-sam-walton/