Gaya APA

Roddy, D., Coolen, J. (1981). Electronic Communications, 2nd Edition (2nd Ed, Cet.2). New Delhi: Prentice-Hall of India.

Gaya MLA

Roddy, Dennis., Coolen, John.. "Electronic Communications, 2nd Edition". 2nd Ed, Cet.2 New Delhi: Prentice-Hall of India, 1981. Text.