Lua APA (7ú heag.)

COUCH LEON W II. (2009). DIGITAL & ANALOG COMMUNICATION SYSTEMS (7 ED.). PEARSON.

Lua i Stíl Chicago (17ú heag.)

COUCH LEON W II. DIGITAL & ANALOG COMMUNICATION SYSTEMS. 7 ED. NEW DELHI: PEARSON, 2009.

Lua MLA (9ú heag.)

COUCH LEON W II. DIGITAL & ANALOG COMMUNICATION SYSTEMS. 7 ED. PEARSON, 2009.

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