Churchill. (1995). Foundations of marketing research, tape 1 (6th ed.). Dryden Press.
Chicago-viite (17. p.)Churchill. Foundations of Marketing Research, Tape 1. 6th ed. U.S.A: Dryden Press, 1995.
MLA-viite (9. p.)Churchill. Foundations of Marketing Research, Tape 1. 6th ed. Dryden Press, 1995.
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