Cunningham, W. H. (1987). Marketing a managerial approach (2ª ed.). South-Western.
Chicago Style (17th ed.) CitationCunningham, William H. Marketing a Managerial Approach. 2ª ed. South-Western, 1987.
MLA (9th ed.) CitationCunningham, William H. Marketing a Managerial Approach. 2ª ed. South-Western, 1987.
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