Cita APA (7th ed.)

Martin, J. T. (1977). Future developments in tele-communications (2a. ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Martin, James Thomas. Future Developments in Tele-communications. 2a. ed. Englewood Cliffs: Prentice-Hall, 1977.

Cita MLA (9th ed.)

Martin, James Thomas. Future Developments in Tele-communications. 2a. ed. Prentice-Hall, 1977.