Breen, G. E., & Blankenship, A. (1982). Do-it-yourself marketing research (2d ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Breen, George Edward, i A.B Blankenship. Do-it-yourself Marketing Research. 2d ed. New York: McGraw-Hill, 1982.
MLA način citiranja (9. izdanje)Breen, George Edward, i A.B Blankenship. Do-it-yourself Marketing Research. 2d ed. McGraw-Hill, 1982.
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