APA aipamena

(1987). The Telecommunication industry: Growth and structural change. New York: United Nations.

Chicago Style aipamena

The Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.

MLA aipamena

The Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.