COLE, M. (2000). INTRODUCTION TO TELECOMMUNICATIONS: VOICE, DATA & THE INTERNET. PEARSON EDUCATION.
Chicago-viite (17. p.)COLE, MARION. INTRODUCTION TO TELECOMMUNICATIONS: VOICE, DATA & THE INTERNET. DELHI: PEARSON EDUCATION, 2000.
MLA-viite (9. p.)COLE, MARION. INTRODUCTION TO TELECOMMUNICATIONS: VOICE, DATA & THE INTERNET. PEARSON EDUCATION, 2000.
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