APA-viite (7. p.)

Gabel, R. A., & Roberts , R. A. . .. (1987). Signals and linear systems (3rd ed.). Wiley.

Chicago-viite (17. p.)

Gabel, Robert A., ja Richard A. Roberts. Signals and Linear Systems. 3rd ed. New York: Wiley, 1987.

MLA-viite (9. p.)

Gabel, Robert A., ja Richard A. Roberts. Signals and Linear Systems. 3rd ed. Wiley, 1987.