American Water Works Association (AWWA). (2004). Manual of water supply practices M54: Developing rates for small systems. Colorado, Estados Unidos de América: AWWA.
Citación estilo ChicagoAmerican Water Works Association (AWWA). Manual of Water Supply Practices M54: Developing Rates for Small Systems. Colorado, Estados Unidos de América: AWWA, 2004.
Cita MLAAmerican Water Works Association (AWWA). Manual of Water Supply Practices M54: Developing Rates for Small Systems. Colorado, Estados Unidos de América: AWWA, 2004.
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