Dyfyniad APA
Freeman, R. L. (2004). Telecommunication system engineering (4th ed.). Wiley-Interscience.
Dyfyniad Arddull Chicago
Freeman, Roger L. Telecommunication System Engineering. 4th ed. Hoboken, N.J. : New Delhi: Wiley-Interscience, 2004.
Dyfyniad MLA
Freeman, Roger L. Telecommunication System Engineering. 4th ed. Wiley-Interscience, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.