Saunders, R. J., & Warford, J. J. (1977). Alternative concepts of marginal cost for public utility pricing: Problems of application in the water supply sector. World Bank.
Chicago-Zitierstil (17. Ausg.)Saunders, Robert J., und Jeremy J. Warford. Alternative Concepts of Marginal Cost for Public Utility Pricing: Problems of Application in the Water Supply Sector. Washington, D.C: World Bank, 1977.
MLA-Zitierstil (9. Ausg.)Saunders, Robert J., und Jeremy J. Warford. Alternative Concepts of Marginal Cost for Public Utility Pricing: Problems of Application in the Water Supply Sector. World Bank, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.