APA
Saunders R. J., Warford J. J. j. a., . (1977). Alternative concepts of marginal cost for public utility pricing. Washington, DC: World Bank.
Chicago
Saunders Robert J, Warford Jeremy J jt author, . 1977. Alternative concepts of marginal cost for public utility pricing. Washington, DC: World Bank.
Harvard
Saunders R. J., Warford J. J. j. a., . (1977). Alternative concepts of marginal cost for public utility pricing. Washington, DC: World Bank.
MLA
Saunders Robert J, Warford Jeremy J jt author, . Alternative concepts of marginal cost for public utility pricing. Washington, DC: World Bank. 1977.