Frenzel, L. E. (2003). Principles of electronic communication systems (Second edition.). New York: McGraw-Hill.
Citación estilo ChicagoFrenzel, Louis E. Principles of Electronic Communication Systems. Second edition. New York: McGraw-Hill, 2003.
Cita MLAFrenzel, Louis E. Principles of Electronic Communication Systems. Second edition. New York: McGraw-Hill, 2003.
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