Mc Gonnagle, W. J. E. b. (1971). Physics and nondestructive testing. Gordon and Breach.
Dyfyniad Arddull ChicagoMc Gonnagle, Warren J Ed. by. Physics and Nondestructive Testing. London: Gordon and Breach, 1971.
Dyfyniad MLAMc Gonnagle, Warren J Ed. by. Physics and Nondestructive Testing. Gordon and Breach, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.