Calloway, J. (2006). Be coming a category of one: How extraordinary companies transcend commodity and defy comparison. Hoboken, N.J: John Wiley & Sons.
استشهاد بنمط شيكاغوCalloway, Joe. Be Coming a Category of One: How Extraordinary Companies Transcend Commodity and Defy Comparison. Hoboken, N.J: John Wiley & Sons, 2006.
MLA استشهادCalloway, Joe. Be Coming a Category of One: How Extraordinary Companies Transcend Commodity and Defy Comparison. Hoboken, N.J: John Wiley & Sons, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.