American Water Works Association, American Water Works Association, American National Standards Institute, & American National Standards Institute. (1981). American National Standard for the thickness design of ductile-iron pipe. Denver, Colo.: The Association.
Citación estilo ChicagoAmerican Water Works Association, American Water Works Association, American National Standards Institute, y American National Standards Institute. American National Standard for the Thickness Design of Ductile-iron Pipe. Denver, Colo.: The Association, 1981.
Cita MLAAmerican Water Works Association, American Water Works Association, American National Standards Institute, y American National Standards Institute. American National Standard for the Thickness Design of Ductile-iron Pipe. Denver, Colo.: The Association, 1981.