Chisnall, P. M. (1991). Essence of marketing research. Prentice hall of India.
Čikaški stil citiranjaChisnall, Peter M. Essence of Marketing Research. New Delhi: Prentice hall of India, 1991.
MLA način citiranjaChisnall, Peter M. Essence of Marketing Research. Prentice hall of India, 1991.
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