Calloway, J. (2006). Be coming a category of one: How extraordinary companies transcend commodity and defy comparison. Hoboken, N.J: John Wiley & Sons.
Trích dẫn kiểu ChicagoCalloway, Joe. Be Coming a Category of One: How Extraordinary Companies Transcend Commodity and Defy Comparison. Hoboken, N.J: John Wiley & Sons, 2006.
Deismireacht MLACalloway, Joe. Be Coming a Category of One: How Extraordinary Companies Transcend Commodity and Defy Comparison. Hoboken, N.J: John Wiley & Sons, 2006.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.