Green, P. E., & Tull, D. S. (1966). Research for marketing decisions. Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)Green, Paul E., me Donald S. Tull. Research for Marketing Decisions. Englewood Cliffs: Prentice-Hall, 1966.
Tohutoro MLA (9th ed.)Green, Paul E., me Donald S. Tull. Research for Marketing Decisions. Prentice-Hall, 1966.
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