International Harvester Company. (1915). Tractor farming. International Harvester Co..
Chicagoスタイル(17版)引用形式International Harvester Company. Tractor Farming. Chicago: International Harvester Co., 1915.
MLA(8版)引用形式International Harvester Company. Tractor Farming. International Harvester Co., 1915.
警告: この引用は必ずしも正確ではありません.