Taylor, W. A. (1991). Optimization and variation reduction in quality. McGraw-Hill.
Dyfyniad Arddull ChicagoTaylor, Wayne A. Optimization and Variation Reduction in Quality. New York: McGraw-Hill, 1991.
Dyfyniad MLATaylor, Wayne A. Optimization and Variation Reduction in Quality. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.