Burns, A. C., Bush, R. F., & Sinha, N. (2014). Marketing research (Edition 7.). Pearson Education Limited.
Dyfyniad Arddull ChicagoBurns, Alvin C., Ronald F. Bush, and Nilanjana Sinha. Marketing Research. Edition 7. England: Pearson Education Limited, 2014.
Dyfyniad MLABurns, Alvin C., et al. Marketing Research. Edition 7. Pearson Education Limited, 2014.
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