Killen, H. B. (1986). Telecommunications and data communication system design with troubleshooting. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Killen, Harold B. Telecommunications and Data Communication System Design with Troubleshooting. Englewood Cliffs, N.J: Prentice-Hall, 1986.
Lua MLA (9ú heag.)Killen, Harold B. Telecommunications and Data Communication System Design with Troubleshooting. Prentice-Hall, 1986.
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