Pride, W. M. (1989). Marketing: Concepts and strategies (6ª ed.). Houghton Mifflin.
Tohutoru Kātū ChicagoPride, William M. Marketing: Concepts and Strategies. 6ª ed. Houghton Mifflin, 1989.
Tohutoro MLAPride, William M. Marketing: Concepts and Strategies. 6ª ed. Houghton Mifflin, 1989.
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