Button, K. J. (1975). Case studies in cost-benefit analysis. Heinemann Educational Books.
Lua i Stíl Chicago (17ú heag.)Button, Kenneth J. Case Studies in Cost-benefit Analysis. London: Heinemann Educational Books, 1975.
Lua MLA (9ú heag.)Button, Kenneth J. Case Studies in Cost-benefit Analysis. Heinemann Educational Books, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.