Benton, W. C. (2010). Purchasing and supply chain management. Boston: McGraw-Hill Irwin.
Dyfyniad Arddull ChicagoBenton, W. C. Purchasing and Supply Chain Management. Boston: McGraw-Hill Irwin, 2010.
Dyfyniad MLABenton, W. C. Purchasing and Supply Chain Management. Boston: McGraw-Hill Irwin, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.