CARLSON BRUCE A. (2002). COMMUNICATION SYSTEMS AN INTRODUCTION TO SIGNALS & NOISE IN ELECTRICAL COMMUNICATION (4 TH.). MCGRAW HILL COMPANIES.
Chicago-viite (17. p.)CARLSON BRUCE A. COMMUNICATION SYSTEMS AN INTRODUCTION TO SIGNALS & NOISE IN ELECTRICAL COMMUNICATION. 4 TH. NEW DELHI: MCGRAW HILL COMPANIES, 2002.
MLA-viite (9. p.)CARLSON BRUCE A. COMMUNICATION SYSTEMS AN INTRODUCTION TO SIGNALS & NOISE IN ELECTRICAL COMMUNICATION. 4 TH. MCGRAW HILL COMPANIES, 2002.
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