Dyfyniad APA

Bates, R. J., & Gregory , D. W. (2007). Voice and data communications handbook (5th ed.). Tata McGraw-Hill Pub. Co. Ltd..

Dyfyniad Arddull Chicago

Bates, Regis J., and Donald W. Gregory. Voice and Data Communications Handbook. 5th ed. New Delhi: Tata McGraw-Hill Pub. Co. Ltd., 2007.

Dyfyniad MLA

Bates, Regis J., and Donald W. Gregory. Voice and Data Communications Handbook. 5th ed. Tata McGraw-Hill Pub. Co. Ltd., 2007.

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