Cita APA (7th ed.)

Frenzel, L. E. (2003). Principles of electronic communication systems (2nd ed.). Glencoe/McGraw.

Cita Chicago (17th ed.)

Frenzel, Louis E. Principles of Electronic Communication Systems. 2nd ed. New York: Glencoe/McGraw, 2003.

Cita MLA (9th ed.)

Frenzel, Louis E. Principles of Electronic Communication Systems. 2nd ed. Glencoe/McGraw, 2003.