Blankenship, A. B., Breen, G. E., & Dutka, A. F. (1998). State of the art marketing research (2nd ed.). Lincolnwood, Ill.: NTC Business Books.
استشهاد بنمط شيكاغوBlankenship, Albert Breneman, George Edward Breen, و Alan F. Dutka. State of the Art Marketing Research. 2nd ed. Lincolnwood, Ill.: NTC Business Books, 1998.
MLA استشهادBlankenship, Albert Breneman, George Edward Breen, و Alan F. Dutka. State of the Art Marketing Research. 2nd ed. Lincolnwood, Ill.: NTC Business Books, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.