HARVARD BUSINESS REVIEW. (1976). FORECASTING. HARVARD BUSINESS REVIEW.
Chicago Style aipamenaHARVARD BUSINESS REVIEW. FORECASTING. BOSTON: HARVARD BUSINESS REVIEW, 1976.
MLA aipamenaHARVARD BUSINESS REVIEW. FORECASTING. HARVARD BUSINESS REVIEW, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.