Williams, A. B. (2006). Electronic filter design handbook. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoWilliams, Arthur Bernard. Electronic Filter Design Handbook. New York: McGraw-Hill, 2006.
Deismireacht MLAWilliams, Arthur Bernard. Electronic Filter Design Handbook. New York: McGraw-Hill, 2006.
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