Kirkman, M. M. (1905). Basis of railway rates and private vs. governamental management of railroads: Forming one of the series of volumes comprised in the rev. and enl. ed. of The science of railways (Ed. 1905.). World railway Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kirkman, Marshall M. Basis of Railway Rates and Private Vs. Governamental Management of Railroads: Forming One of the Series of Volumes Comprised in the Rev. and Enl. Ed. of The Science of Railways. Ed. 1905. New York, Chicago: World railway Pub. Co., 1905.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kirkman, Marshall M. Basis of Railway Rates and Private Vs. Governamental Management of Railroads: Forming One of the Series of Volumes Comprised in the Rev. and Enl. Ed. of The Science of Railways. Ed. 1905. World railway Pub. Co., 1905.