National Convention of Railroad Commissioners & United States. Interstate Commerce Commission. (1890). Proceedings of a National Convention of Railroad Commissioners. Interstate Commerce Commission.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Convention of Railroad Commissioners و United States. Interstate Commerce Commission. Proceedings of a National Convention of Railroad Commissioners. Washington: Interstate Commerce Commission, 1890.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Convention of Railroad Commissioners و United States. Interstate Commerce Commission. Proceedings of a National Convention of Railroad Commissioners. Interstate Commerce Commission, 1890.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.