Sassone, P. G., & Schaffer, W. A. (1978). Cost-benefit analysis: A handbook. AP.
Chicago Style aipamenaSassone, Peter G., and William A. Schaffer. Cost-benefit Analysis: A Handbook. New York: AP, 1978.
MLA aipamenaSassone, Peter G., and William A. Schaffer. Cost-benefit Analysis: A Handbook. AP, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.