Lua APA (7ú heag.)

RODDY DENNIS. (2005). ELECTRONIC COMMUNICATION (4TH.). PRENTICE HALL OF INDIA.

Lua i Stíl Chicago (17ú heag.)

RODDY DENNIS. ELECTRONIC COMMUNICATION. 4TH. NEW DELHI: PRENTICE HALL OF INDIA, 2005.

Lua MLA (9ú heag.)

RODDY DENNIS. ELECTRONIC COMMUNICATION. 4TH. PRENTICE HALL OF INDIA, 2005.

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