Hair, J. F. J., Celsi, M., Ortinau, D. J., & Bush, R. P. (2017). Essentials of marketing research (Fourth edition.). McGraw-Hill Education.
Chicago Style (17th ed.) CitationHair, Joseph F. Jr, Mary Celsi, David J. Ortinau, and Robert P. Bush. Essentials of Marketing Research. Fourth edition. New York, NY: McGraw-Hill Education, 2017.
ציטוט MLAHair, Joseph F. Jr, et al. Essentials of Marketing Research. Fourth edition. McGraw-Hill Education, 2017.
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