Dyfyniad APA

Held, G., & Sarch, R. (1995). Data communications: A comprehensive approach (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Held, Gilbert, and Ray Sarch. Data Communications: A Comprehensive Approach. 3rd ed. New York: McGraw-Hill, 1995.

Dyfyniad MLA

Held, Gilbert, and Ray Sarch. Data Communications: A Comprehensive Approach. 3rd ed. McGraw-Hill, 1995.

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