HAKALA, D. (1995). Modems Made Easy: The Basics And Beyond David Hakala. McGraw-Hill.
Cita Chicago Style (17a ed.)HAKALA, David. Modems Made Easy: The Basics And Beyond David Hakala. McGraw-Hill, 1995.
Cita MLA (8a ed.)HAKALA, David. Modems Made Easy: The Basics And Beyond David Hakala. McGraw-Hill, 1995.
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