Huelsman, L. P. (1980). Introduction to the theory and design of active filters. McGraw-Hill.
Čikaški stil citiranjaHuelsman, L P. Introduction to the Theory and Design of Active Filters. New York: McGraw-Hill, 1980.
MLA način citiranjaHuelsman, L P. Introduction to the Theory and Design of Active Filters. McGraw-Hill, 1980.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.