APA aipamena

Association of American Railroads. Railroad Committee for the Study of Transportation. (1940). The economics of weight reduction in freight carrying railroad cars.

Chicago Style aipamena

Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. [Washington?, 1940.

MLA aipamena

Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. 1940.