Lua APA (7ú heag.)
Couch, L. W. (1990). Digital and analog communication systems (3rd ed.). Macmillan ; Collier Macmillan.
Lua i Stíl Chicago (17ú heag.)
Couch, Leon W. Digital and Analog Communication Systems. 3rd ed. New York : London: Macmillan ; Collier Macmillan, 1990.
Lua MLA (9ú heag.)
Couch, Leon W. Digital and Analog Communication Systems. 3rd ed. Macmillan ; Collier Macmillan, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.