American Water Works Association & ebrary, Inc. (2012). Water meters: Selection, installation, testing, and maintenance (5th ed.). American Water Works Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Water Works Association و Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. Denver, Colo.: American Water Works Association, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Water Works Association و Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. American Water Works Association, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.