Dyfyniad APA
Marburger, D. R. (2016). How strong is your firm's competitive advantage? (Second edition.). Business Expert Press.
Dyfyniad Arddull Chicago
Marburger, Daniel R. How Strong Is Your Firm's Competitive Advantage? Second edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2016.
Dyfyniad MLA
Marburger, Daniel R. How Strong Is Your Firm's Competitive Advantage? Second edition. Business Expert Press, 2016.
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