Williams, A. B., & Taylor, F. J. (1995). Electronic filter design handbook (3rd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Williams, Arthur Bernard, agus Fred J. Taylor. Electronic Filter Design Handbook. 3rd ed. New York: McGraw-Hill, 1995.
Lua MLA (9ú heag.)Williams, Arthur Bernard, agus Fred J. Taylor. Electronic Filter Design Handbook. 3rd ed. McGraw-Hill, 1995.
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