Morgen Witzel. (2014). Management from the masters: From Confucius to Warren Buffett, twenty timeless principles for business. Bloomsbury.
Chicago-referens (17:e uppl.)Morgen Witzel. Management from the Masters: From Confucius to Warren Buffett, Twenty Timeless Principles for Business. London: Bloomsbury, 2014.
MLA-referens (8:e uppl.)Morgen Witzel. Management from the Masters: From Confucius to Warren Buffett, Twenty Timeless Principles for Business. Bloomsbury, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.