Dokumentuaren aipamena

APA (7th ed.) Zitazioa
American Water Works Association & ebrary, Inc. (2008). Concrete pressure pipe (3rd ed.). American Water Works Association.
Chicago Style (17th ed.) Zitazioa
American Water Works Association eta Inc ebrary. Concrete Pressure Pipe. 3rd ed. Denver, Colo.: American Water Works Association, 2008.
MLA (9th ed.) Zitazioa
American Water Works Association eta Inc ebrary. Concrete Pressure Pipe. 3rd ed. American Water Works Association, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.