Lua APA (7ú heag.)

KENNEDY GEORGE. (1999). ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Lua i Stíl Chicago (17ú heag.)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1999.

Lua MLA (9ú heag.)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1999.

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