Cita APA (7th ed.)

Frenzel,L E. (2008). Principles of Electronic Communication System. McGrawhill.

Cita Chicago (17th ed.)

Frenzel,L E. Principles of Electronic Communication System. New Delhi: McGrawhill, 2008.

Cita MLA (9th ed.)

Frenzel,L E. Principles of Electronic Communication System. McGrawhill, 2008.