Hopp, W. J., & Spearman, M. L. (2001). Factory physics: Foundations of manufacturing management (2nd ed.). Irwin/McGraw-Hill.
Dyfyniad Arddull ChicagoHopp, Wallace J., and Mark L. Spearman. Factory Physics: Foundations of Manufacturing Management. 2nd ed. Boston: Irwin/McGraw-Hill, 2001.
Dyfyniad MLAHopp, Wallace J., and Mark L. Spearman. Factory Physics: Foundations of Manufacturing Management. 2nd ed. Irwin/McGraw-Hill, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.