Παραπομπή APA
Button, K. J., & Barker, P. J. (1975). Case studies in cost-benefit analysis. London: Heinemann Educational [for the Economics Association].
Παραπομπή Chicago StyleButton, Kenneth John., and Peter J. Barker. Case Studies in Cost-benefit Analysis. London: Heinemann Educational [for the Economics Association], 1975.
Παραπομπή MLAButton, Kenneth John., and Peter J. Barker. Case Studies in Cost-benefit Analysis. London: Heinemann Educational [for the Economics Association], 1975.
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