Dyfyniad APA

 Bell, G. (2002).  The competitive enterprise: 10 principles of business excellence for increased market share.  McGraw-Hill Irwin.

Dyfyniad Arddull Chicago

 Bell, Geoffrey.  The Competitive Enterprise: 10 Principles of Business Excellence for Increased Market Share.  McGraw-Hill Irwin, 2002.

Dyfyniad MLA

 Bell, Geoffrey.  The Competitive Enterprise: 10 Principles of Business Excellence for Increased Market Share.  McGraw-Hill Irwin, 2002.

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