APA Citation

(1996). World telecom: International telecommunication directories (12th ed.). London: Inter Telecom.

Chicago Style Citation

World Telecom: International Telecommunication Directories. 12th ed. London: Inter Telecom, 1996.

MLA Citation

World Telecom: International Telecommunication Directories. 12th ed. London: Inter Telecom, 1996.

Warning: These citations may not always be 100% accurate.