Lua APA (7ú heag.)
Ketterling, H. A. (2004). Introduction to digital professional mobile radio. Artech House.
Lua i Stíl Chicago (17ú heag.)
Ketterling, Hans-Peter A. Introduction to Digital Professional Mobile Radio. Boston: Artech House, 2004.
Lua MLA (9ú heag.)
Ketterling, Hans-Peter A. Introduction to Digital Professional Mobile Radio. Artech House, 2004.
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