Schlatter, C. L. (1841). Second report of Charles L. Schlatter, principal engineer in the service of the state of Pennsylvania, to the canal commissioners, relative to the continuous railroad from Harrisburg to Pittsburg: Read in the House of Representatives, January 15, 1841. J. S. Wallace.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schlatter, Charles L. Second Report of Charles L. Schlatter, Principal Engineer in the Service of the State of Pennsylvania, to the Canal Commissioners, Relative to the Continuous Railroad from Harrisburg to Pittsburg: Read in the House of Representatives, January 15, 1841. Harrisburg: J. S. Wallace, 1841.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Schlatter, Charles L. Second Report of Charles L. Schlatter, Principal Engineer in the Service of the State of Pennsylvania, to the Canal Commissioners, Relative to the Continuous Railroad from Harrisburg to Pittsburg: Read in the House of Representatives, January 15, 1841. J. S. Wallace, 1841.