Johnson, C. D. (2008). Process control instrumentation technology (8th ed.). Prentice Hall of India.
Dyfyniad Arddull ChicagoJohnson, Curtis D. Process Control Instrumentation Technology. 8th ed. N.Delhi: Prentice Hall of India, 2008.
Dyfyniad MLAJohnson, Curtis D. Process Control Instrumentation Technology. 8th ed. Prentice Hall of India, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.