Hair, J. F., Bush, R. P., & Ortinau, D. J. (2003). Marketing research: Within a changing information environment (2nd ed.). McGraw-Hill/Irwin.
Citace podle Chicago (17th ed.)Hair, Joseph F., Robert P. Bush, a David J. Ortinau. Marketing Research: Within a Changing Information Environment. 2nd ed. New York, New York: McGraw-Hill/Irwin, 2003.
Citace podle MLA (9th ed.)Hair, Joseph F., et al. Marketing Research: Within a Changing Information Environment. 2nd ed. McGraw-Hill/Irwin, 2003.
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