Dyfyniad APA

Martin, J. (1977). Future developments in telecommunications. Englewood Cliffs, N. J: Prentice - Hall, Inc.

Dyfyniad Arddull Chicago

Martin, James. Future Developments in Telecommunications. Englewood Cliffs, N. J: Prentice - Hall, Inc, 1977.

Dyfyniad MLA

Martin, James. Future Developments in Telecommunications. Englewood Cliffs, N. J: Prentice - Hall, Inc, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.