(1987). The Telecommunication industry: Growth and structural change. New York: United Nations.
Trích dẫn kiểu ChicagoThe Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.
ציטוט MLAThe Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.