Cita APA (7th ed.)
Gabel, R. A., & Roberts Richard A. (1995). Signals and linear systems (3rd ed.). John Willey & Sons.
Cita Chicago (17th ed.)
Gabel, Robert A., i Roberts Richard A. Signals and Linear Systems. 3rd ed. New Delhi: John Willey & Sons, 1995.
Cita MLA (9th ed.)
Gabel, Robert A., i Roberts Richard A. Signals and Linear Systems. 3rd ed. John Willey & Sons, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.