Duboff, R. (2000). Market research matters: Tools and techniques for aligning your business. New York: John wiley & Sons, Inc.
Trích dẫn kiểu ChicagoDuboff, Robert. Market Research Matters: Tools and Techniques for Aligning Your Business. New York: John wiley & Sons, Inc, 2000.
Deismireacht MLADuboff, Robert. Market Research Matters: Tools and Techniques for Aligning Your Business. New York: John wiley & Sons, Inc, 2000.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.