Tull, D. S. (1980). Marketing research: Measurement and method: a text with cases. Macmillan.
Chicago Edition CitationTull, Donald S. Marketing Research: Measurement and Method: A Text with Cases. New York: Macmillan, 1980.
Deismireacht MLATull, Donald S. Marketing Research: Measurement and Method: A Text with Cases. Macmillan, 1980.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.