MARTIN JAMES. (2001). TELECOMMUNICATIONS AND THE COMPUTERS (3RD.). PRENTICE HALL OF INDIA.
Chicago-viite (17. p.)MARTIN JAMES. TELECOMMUNICATIONS AND THE COMPUTERS. 3RD. NEW DELHI: PRENTICE HALL OF INDIA, 2001.
MLA-viite (9. p.)MARTIN JAMES. TELECOMMUNICATIONS AND THE COMPUTERS. 3RD. PRENTICE HALL OF INDIA, 2001.
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