Jutkins, R. (2000). Power direct marketing: How to make it work for you (Second edition.). NTC Business Books.
Čikaški stil citiranja (17. izdanje)Jutkins, Ray. Power Direct Marketing: How to Make It Work for You. Second edition. Lincolnwood, Illinois: NTC Business Books, 2000.
MLA način citiranja (9. izdanje)Jutkins, Ray. Power Direct Marketing: How to Make It Work for You. Second edition. NTC Business Books, 2000.
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