Dyfyniad APA

Graham, J. (1983). The Penguin dictionary of telecommunications. London: Allen Lane.

Dyfyniad Arddull Chicago

Graham, John. The Penguin Dictionary of Telecommunications. London: Allen Lane, 1983.

Dyfyniad MLA

Graham, John. The Penguin Dictionary of Telecommunications. London: Allen Lane, 1983.

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