American Water Works Association & ebrary, Inc. (2004). Sizing water service lines and meters (2nd ed.). American Water Works Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Water Works Association و Inc ebrary. Sizing Water Service Lines and Meters. 2nd ed. Denver, Colo.: American Water Works Association, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Water Works Association و Inc ebrary. Sizing Water Service Lines and Meters. 2nd ed. American Water Works Association, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.