Luck, D. J., & Day, G. S. (1982). Marketing research: : 6th ed (6th ed.). Prentice-Hall of India.
Čikaški stil citiranjaLuck, David J., i George S. Day. Marketing Research: : 6th Ed. 6th ed. New Jersey: Prentice-Hall of India, 1982.
MLA način citiranjaLuck, David J., i George S. Day. Marketing Research: : 6th Ed. 6th ed. Prentice-Hall of India, 1982.
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