Hubka, V. (1982). Principles of engineering design. Butterworth.
Dyfyniad Arddull ChicagoHubka, Vladimir. Principles of Engineering Design. London: Butterworth, 1982.
Dyfyniad MLAHubka, Vladimir. Principles of Engineering Design. Butterworth, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.