DEWHURST R F. (1972). BUSINESS COST BENEFIT ANALYSIS. MCGRAW-HILL.
Chicago Style aipamenaDEWHURST R F. BUSINESS COST BENEFIT ANALYSIS. LONDON: MCGRAW-HILL, 1972.
MLA aipamenaDEWHURST R F. BUSINESS COST BENEFIT ANALYSIS. MCGRAW-HILL, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.