Dyfyniad APA
Marburger, D. R. (2012). How strong is your firm's competitive advantage? Business Expert Press.
Dyfyniad Arddull Chicago
Marburger, Daniel R. How Strong Is Your Firm's Competitive Advantage? [New York, N.Y.] (222 East 46th Street, New York, NY 10017): Business Expert Press, 2012.
Dyfyniad MLA
Marburger, Daniel R. How Strong Is Your Firm's Competitive Advantage? Business Expert Press, 2012.
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