Pitts, G. (1973). Techniques in engineering design. Butterworth.
Dyfyniad Arddull ChicagoPitts, G. Techniques in Engineering Design. London: Butterworth, 1973.
Dyfyniad MLAPitts, G. Techniques in Engineering Design. Butterworth, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.