Berlin, H. M. (1977). Design of active filters, with experiments. Howard W. Sams.
Cita Chicago (17th ed.)Berlin, Howard M. Design of Active Filters, with Experiments. Indianápolis: Howard W. Sams, 1977.
Cita MLA (9th ed.)Berlin, Howard M. Design of Active Filters, with Experiments. Howard W. Sams, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.