Brady, G. S. (1971). Materials handbook: An encyclopedia of purchasing managers, engineers, executives and foremen (10th ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoBrady, George S. Materials Handbook: An Encyclopedia of Purchasing Managers, Engineers, Executives and Foremen. 10th ed. New York: McGraw-Hill, 1971.
Dyfyniad MLABrady, George S. Materials Handbook: An Encyclopedia of Purchasing Managers, Engineers, Executives and Foremen. 10th ed. McGraw-Hill, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.