Proctor, T. (2005). Essentials of marketing research (4th ed.). Financial Times/Prentice Hall.
Čikaški stil citiranja (17. izdanje)Proctor, Tony. Essentials of Marketing Research. 4th ed. Harlow, England ; New York: Financial Times/Prentice Hall, 2005.
MLA način citiranja (8. izdanje)Proctor, Tony. Essentials of Marketing Research. 4th ed. Financial Times/Prentice Hall, 2005.
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