Deismireacht APA

Tull, D. S., & Hawkins, D. I. (1990). Marketing research (5th ed.). MacMillan.

Chicago Edition Citation

Tull, Donald S., and Del I. Hawkins. Marketing Research. 5th ed. United states: MacMillan, 1990.

Deismireacht MLA

Tull, Donald S., and Del I. Hawkins. Marketing Research. 5th ed. MacMillan, 1990.

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