Deismireacht APA

Tull, D. S. (1993). Marketting Research/6e (6th ed.).

Chicago Edition Citation

Tull, Donald S. Marketting Research/6e. 6th ed. PHI, 1993.

Deismireacht MLA

Tull, Donald S. Marketting Research/6e. 6th ed. 1993.

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