Duboff, R. S., & Spaeth, J. (2000). Market research matters: Tools and techniques for aligning your business. John Wiley & Sons.
Chicago Style (17. basım) AtıfDuboff, Robert S., ve Jim Spaeth. Market Research Matters: Tools and Techniques for Aligning Your Business. New York: John Wiley & Sons, 2000.
MLA (9th ed.) AtıfDuboff, Robert S., ve Jim Spaeth. Market Research Matters: Tools and Techniques for Aligning Your Business. John Wiley & Sons, 2000.
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