Lua APA (7ú heag.)

HARVARD BUSINESS REVIEW. (1976). FORECASTING. HARVARD BUSINESS REVIEW.

Lua i Stíl Chicago (17ú heag.)

HARVARD BUSINESS REVIEW. FORECASTING. BOSTON: HARVARD BUSINESS REVIEW, 1976.

Lua MLA (9ú heag.)

HARVARD BUSINESS REVIEW. FORECASTING. HARVARD BUSINESS REVIEW, 1976.

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