American Water Works Association & ebrary, Inc. (2004). Sizing water service lines and meters (2nd ed.). American Water Works Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Water Works Association και Inc ebrary. Sizing Water Service Lines and Meters. 2nd ed. Denver, Colo.: American Water Works Association, 2004.
Παραπομπή σε μορφή MLA (9th εκδ.)American Water Works Association και Inc ebrary. Sizing Water Service Lines and Meters. 2nd ed. American Water Works Association, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.