Cita APA (7th ed.)
Kennedy, G., & Fegan, S. C. (2006). Electronic communication systems (4th ed.). Tata McGraw-Hill.
Cita Chicago (17th ed.)
Kennedy, George, i Sophia Chung Fegan. Electronic Communication Systems. 4th ed. New Delhi: Tata McGraw-Hill, 2006.
Cita MLA (9th ed.)
Kennedy, George, i Sophia Chung Fegan. Electronic Communication Systems. 4th ed. Tata McGraw-Hill, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.