Carlson, A. B. (2002). Communication systems. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Carlson, A. Bruce. Communication Systems. McGraw-Hill, 2002.
Lua MLA (8ú heag.)Carlson, A. Bruce. Communication Systems. McGraw-Hill, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.