American Water Works Association. (1979). Concrete pressure pipe. American Water Works Association.
Chicago Style (17th ed.) CitationAmerican Water Works Association. Concrete Pressure Pipe. [Denver, Colorado]: American Water Works Association, 1979.
MLA (9th ed.) CitationAmerican Water Works Association. Concrete Pressure Pipe. American Water Works Association, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.