Gabel, R. A., & Roberts, R. A. (1973). Signals and linear systems. John Wiley.
Dyfyniad Arddull ChicagoGabel, Robert A., and Richards A. Roberts. Signals and Linear Systems. New York: John Wiley, 1973.
Dyfyniad MLAGabel, Robert A., and Richards A. Roberts. Signals and Linear Systems. John Wiley, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.