Hellerman, H. (1973). Digital computer system principles (Ed.2.). Tata Mc Graw - Hill.
Dyfyniad Arddull ChicagoHellerman, Herbert. Digital Computer System Principles. Ed.2. New Delhi: Tata Mc Graw - Hill, 1973.
Dyfyniad MLAHellerman, Herbert. Digital Computer System Principles. Ed.2. Tata Mc Graw - Hill, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.