Sassone, P. G., & Schaffer, W. A. (1978). Cost-benefit analysis: A handbook. Academic Press.
Lua i Stíl Chicago (17ú heag.)Sassone, Peter G., agus William A. Schaffer. Cost-benefit Analysis: A Handbook. New York: Academic Press, 1978.
Lua MLA (8ú heag.)Sassone, Peter G., agus William A. Schaffer. Cost-benefit Analysis: A Handbook. Academic Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.