National Association of Railroad and Utilities Commissioners. Annual Convention. (1947). Proceedings. National Association of Railroad and Utilities Commissioners.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Association of Railroad and Utilities Commissioners. Annual Convention. Proceedings. Washington, D.C.: National Association of Railroad and Utilities Commissioners, 1947.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Association of Railroad and Utilities Commissioners. Annual Convention. Proceedings. National Association of Railroad and Utilities Commissioners, 1947.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.