APA aipamena

Bates, R. J., & Gregory, D. W. (2001). Voice and data communications handbook (4th ed.). Tata McGraw-Hill.

Chicago Style aipamena

Bates, Regis J., and Donald W. Gregory. Voice and Data Communications Handbook. 4th ed. New York: Tata McGraw-Hill, 2001.

MLA aipamena

Bates, Regis J., and Donald W. Gregory. Voice and Data Communications Handbook. 4th ed. Tata McGraw-Hill, 2001.