एपीए उद्धरण

Rolf Schaumann, & Rolf Schaumann; Mac E. Van Valkenburg. (2001). Design of analog filters. New York: Oxford University Press.

शिकागो स्टाइल उद्धरण

Rolf Schaumann, और Rolf Schaumann; Mac E. Van Valkenburg. Design of Analog Filters. New York: Oxford University Press, 2001.

एमएलए उद्धरण

Rolf Schaumann, और Rolf Schaumann; Mac E. Van Valkenburg. Design of Analog Filters. New York: Oxford University Press, 2001.