Mroz, R. (1991). Formula for successful marketing: Complete guide for marketing professionals. Galgotia.
Čikaški stil citiranjaMroz, Ralph. Formula for Successful Marketing: Complete Guide for Marketing Professionals. New Delhi: Galgotia, 1991.
MLA način citiranjaMroz, Ralph. Formula for Successful Marketing: Complete Guide for Marketing Professionals. Galgotia, 1991.
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