Tohutoro APA (7th ed.)
Tull, D., & Hawkins, D. I. (1984). Marketing research: Measurement and method (3rd ed.). Macmillan Publishing Comp.
Tohutoru Kātū Chicago (17th ed.)
Tull, Donald, me Del I. Hawkins. Marketing Research: Measurement and Method. 3rd ed. New York: Macmillan Publishing Comp, 1984.
Tohutoro MLA (9th ed.)
Tull, Donald, me Del I. Hawkins. Marketing Research: Measurement and Method. 3rd ed. Macmillan Publishing Comp, 1984.
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