Williams, A. B. (2006). Electronic filter design handbook. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoWilliams, Arthur Bernard. Electronic Filter Design Handbook. New York: McGraw-Hill, 2006.
Dyfyniad MLAWilliams, Arthur Bernard. Electronic Filter Design Handbook. New York: McGraw-Hill, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.