HARVARD BUSINESS REVIEW. (1976). FORECASTING. HARVARD BUSINESS REVIEW.
Čikaški stil citiranja (17. izdanje)HARVARD BUSINESS REVIEW. FORECASTING. BOSTON: HARVARD BUSINESS REVIEW, 1976.
MLA način citiranja (9. izdanje)HARVARD BUSINESS REVIEW. FORECASTING. HARVARD BUSINESS REVIEW, 1976.
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