Dewhurst, R. F. J. (1972). Buisness Cost - Benefit Analysis. McGraw-Hill.
Chicago Style aipamenaDewhurst, R F J. Buisness Cost - Benefit Analysis. London: McGraw-Hill, 1972.
MLA aipamenaDewhurst, R F J. Buisness Cost - Benefit Analysis. McGraw-Hill, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.