Johnson, E. L., & Karim, M. A. (1987). Digital design: A pragmatic approach. PWS Engineering.
Dyfyniad Arddull ChicagoJohnson, Everett L., and Mohammad A. Karim. Digital Design: A Pragmatic Approach. Boston: PWS Engineering, 1987.
Dyfyniad MLAJohnson, Everett L., and Mohammad A. Karim. Digital Design: A Pragmatic Approach. PWS Engineering, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.