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Dyfyniad Arddull ChicagoZiemer, Rodger E., William H. Tranter, and D. Ronald Fannin. Signals and Systems Continuous and Discrete. 4th ed. New Jersey: Prentice Hall, 1998.
Dyfyniad MLAZiemer, Rodger E., et al. Signals and Systems Continuous and Discrete. 4th ed. Prentice Hall, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.