Association of American Railroads. Railroad Committee for the Study of Transportation. (1941). Report on coordination. s.n..
Chicagoスタイル(17版)引用形式Association of American Railroads. Railroad Committee for the Study of Transportation. Report on Coordination. [S.l.: s.n., 1941.
MLA(8版)引用形式Association of American Railroads. Railroad Committee for the Study of Transportation. Report on Coordination. s.n., 1941.
警告: この引用は必ずしも正確ではありません.