PROAKIS JOHN G. (2008). FUNDAMENTALS OF COMMUNICATION SYSTEMS. PEARSON EDUCATION.
Lua i Stíl Chicago (17ú heag.)PROAKIS JOHN G. FUNDAMENTALS OF COMMUNICATION SYSTEMS. NEW DELHI: PEARSON EDUCATION, 2008.
Lua MLA (9ú heag.)PROAKIS JOHN G. FUNDAMENTALS OF COMMUNICATION SYSTEMS. PEARSON EDUCATION, 2008.
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