Dirks, L. M. (1991). Marketing without mystery: A practical guide to writing a marketing place. AMACOM.
Dyfyniad Arddull ChicagoDirks, Laura M. Marketing Without Mystery: A Practical Guide to Writing a Marketing Place. New York: AMACOM, 1991.
Dyfyniad MLADirks, Laura M. Marketing Without Mystery: A Practical Guide to Writing a Marketing Place. AMACOM, 1991.
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