Blankenship, A. B., Breen, G. E., & Dutka, A. F. (1998). State of the art marketing research (2nd ed.). Lincolnwood, Ill.: NTC Business Books.
Παραπομπή Chicago StyleBlankenship, Albert Breneman, George Edward Breen, και Alan F. Dutka. State of the Art Marketing Research. 2nd ed. Lincolnwood, Ill.: NTC Business Books, 1998.
Παραπομπή MLABlankenship, Albert Breneman, George Edward Breen, και Alan F. Dutka. State of the Art Marketing Research. 2nd ed. Lincolnwood, Ill.: NTC Business Books, 1998.
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