Carpenter, R. N. (1966). Guidelist for marketing research and economic forecasting. American Management Association.
Chicago-viite (17. p.)Carpenter, Robert N. Guidelist for Marketing Research and Economic Forecasting. New York: American Management Association, 1966.
MLA-viite (9. p.)Carpenter, Robert N. Guidelist for Marketing Research and Economic Forecasting. American Management Association, 1966.
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