Kessler, G. C., & Southwick, P. V. (1997). ISDN: Concepts, facilities and services (3rd ed.). New York: McGraw-Hill.
Chicago Style CitationKessler, Gary C., and Peter V. Southwick. ISDN: Concepts, Facilities and Services. 3rd ed. New York: McGraw-Hill, 1997.
MLA CitationKessler, Gary C., and Peter V. Southwick. ISDN: Concepts, Facilities and Services. 3rd ed. New York: McGraw-Hill, 1997.
Warning: These citations may not always be 100% accurate.