Mobley, R. K. (2008). Maintenance engineering handbook. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoMobley, R. Keith. Maintenance Engineering Handbook. New York: McGraw-Hill, 2008.
Dyfyniad MLAMobley, R. Keith. Maintenance Engineering Handbook. New York: McGraw-Hill, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.