Freedman, M. D. (1972). Principles of digital computer operation. Wiley Eastern.
Dyfyniad Arddull ChicagoFreedman, M. David. Principles of Digital Computer Operation. New York: Wiley Eastern, 1972.
Dyfyniad MLAFreedman, M. David. Principles of Digital Computer Operation. Wiley Eastern, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.