Dillon, W. R., Firtle, N. H., & Madden, J. T. (1994). Marketing research in a marketing environment (3rd ed.). Irwin.
Čikaški stil citiranja (17. izdanje)Dillon, William R., Neil H. Firtle, i J. Thomas Madden. Marketing Research in a Marketing Environment. 3rd ed. London: Irwin, 1994.
MLA način citiranja (9. izdanje)Dillon, William R., et al. Marketing Research in a Marketing Environment. 3rd ed. Irwin, 1994.
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