RYDER, J. D. (1993). ELECTRONIC FUNDAMENTALS AND APPLICATIONS 5 TH EDI. PRENTICE HALL INDIA.
Lua i Stíl Chicago (17ú heag.)RYDER, J D. ELECTRONIC FUNDAMENTALS AND APPLICATIONS 5 TH EDI. NEW DELHI: PRENTICE HALL INDIA, 1993.
Lua MLA (9ú heag.)RYDER, J D. ELECTRONIC FUNDAMENTALS AND APPLICATIONS 5 TH EDI. PRENTICE HALL INDIA, 1993.
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