AWWA. (2015). AWWA C304-14(R19): Design of prestressed concrete cylinder pipe. American Water Works Association : ANSI.
Cita Chicago Style (17a ed.)AWWA. AWWA C304-14(R19): Design of Prestressed Concrete Cylinder Pipe. New York, New York: American Water Works Association : ANSI, 2015.
Cita MLA (8a ed.)AWWA. AWWA C304-14(R19): Design of Prestressed Concrete Cylinder Pipe. American Water Works Association : ANSI, 2015.
Precaución: Estas citas no son 100% exactas.