Will, R. E. (1964). Scalar economies and urban service requirements: A method for determining the economies of scale associated with municipal governmental services, when offered services, when offered at required, standard levels, with an empirical application to fire protection services. [s.n.].
Citación estilo ChicagoWill, Robert Erwin. Scalar Economies and Urban Service Requirements: A Method for Determining the Economies of Scale Associated with Municipal Governmental Services, When Offered Services, When Offered at Required, Standard Levels, with an Empirical Application to Fire Protection Services. New Haven: [s.n.], 1964.
Cita MLAWill, Robert Erwin. Scalar Economies and Urban Service Requirements: A Method for Determining the Economies of Scale Associated with Municipal Governmental Services, When Offered Services, When Offered at Required, Standard Levels, with an Empirical Application to Fire Protection Services. [s.n.], 1964.