Tyler, E. S., & Corenthal, E. J. (1970). Materials handling: :traffic and transportation. Mc Graw - Hill.
Dyfyniad Arddull ChicagoTyler, Elias S., and Eugene J. Corenthal. Materials Handling: :traffic and Transportation. New York: Mc Graw - Hill, 1970.
Dyfyniad MLATyler, Elias S., and Eugene J. Corenthal. Materials Handling: :traffic and Transportation. Mc Graw - Hill, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.