Tull, D. S., & Hawkins, D. I. (1980). Marketing Research: Measurement and method ; a text with cases (2. ed.). Macmillan.
Chicago Style (17th ed.) CitationTull, Donald S., and Del I. Hawkins. Marketing Research: Measurement and Method ; a Text with Cases. 2. ed. New York: Macmillan, 1980.
MLA (9th ed.) CitationTull, Donald S., and Del I. Hawkins. Marketing Research: Measurement and Method ; a Text with Cases. 2. ed. Macmillan, 1980.
Warning: These citations may not always be 100% accurate.