Παραπομπή APA

Frenzel, L. E. (2008). Principles of electronic communication systems. Boston, [Mass.]: McGraw-Hill Higher Education.

Παραπομπή Chicago Style

Frenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.

Παραπομπή MLA

Frenzel, Louis E. Principles of Electronic Communication Systems. Boston, [Mass.]: McGraw-Hill Higher Education, 2008.

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