Association of American Railroads. Railroad Committee for the Study of Transportation. (1940). The economics of weight reduction in freight carrying railroad cars.
Citação do estilo Chicago (17ª ed.)Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. [Washington?, 1940.
Citação MLA (8ª ed.)Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. 1940.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.