Cita APA (7th ed.)
Roddy, D., & Coolen, J. (1995). Electronic communications (4th ed.). Pearson Education.
Cita Chicago (17th ed.)
Roddy, Dennis, i John Coolen. Electronic Communications. 4th ed. Delhi: Pearson Education, 1995.
Cita MLA (9th ed.)
Roddy, Dennis, i John Coolen. Electronic Communications. 4th ed. Pearson Education, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.