American Water Works Association. Southeastern Section & American Water Works Association. Southeastern Section. (1931). Journal - Southeastern Section, American Water Works Association. Southeastern Section, American Water Works Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Water Works Association. Southeastern Section و American Water Works Association. Southeastern Section. Journal - Southeastern Section, American Water Works Association. [Place of publication not identified]: Southeastern Section, American Water Works Association, 1931.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Water Works Association. Southeastern Section و American Water Works Association. Southeastern Section. Journal - Southeastern Section, American Water Works Association. Southeastern Section, American Water Works Association, 1931.