Wright, R. (2004). Business to business marketing: A step-by-step guide. Pearson Education.
Chicago Style (17. basım) AtıfWright, Ray. Business to Business Marketing: A Step-by-step Guide. Harlow: Pearson Education, 2004.
MLA (9th ed.) AtıfWright, Ray. Business to Business Marketing: A Step-by-step Guide. Pearson Education, 2004.
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