APA aipamena

Beri,G.C. (2008). Marketing research/4e (4th ed.). T.M.H.

Chicago Style aipamena

Beri,G.C. Marketing Research/4e. 4th ed. T.M.H, 2008.

MLA aipamena

Beri,G.C. Marketing Research/4e. 4th ed. T.M.H, 2008.

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