Dyfyniad APA

Bellamy, J. (2001). Digital telephony (2nd ed.). John Wiley & Sons, INC..

Dyfyniad Arddull Chicago

Bellamy, John. Digital Telephony. 2nd ed. New York: John Wiley & Sons, INC., 2001.

Dyfyniad MLA

Bellamy, John. Digital Telephony. 2nd ed. John Wiley & Sons, INC., 2001.

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