Cochran, T. C. (1962). The American business system: A historical perspective, 1900-1955. Harper and Row.
Dyfyniad Arddull ChicagoCochran, Thomas Childs. The American Business System: A Historical Perspective, 1900-1955. New York: Harper and Row, 1962.
Dyfyniad MLACochran, Thomas Childs. The American Business System: A Historical Perspective, 1900-1955. Harper and Row, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.