APA (7e ed.) Bronvermelding
American Water Works Association & ebrary, Inc. (2009). Ductile-iron pipe and fittings (3rd ed.). American Water Works Association.
Chicago (17e ed.) Bronvermelding
American Water Works Association en Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. Denver, Colo.: American Water Works Association, 2009.
MLA (9e ed.) Bronvermelding
American Water Works Association en Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. American Water Works Association, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.