(1987). The Telecommunication industry: Growth and structural change. New York: United Nations.
シカゴスタイル引用形The Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.
MLA引用形式The Telecommunication Industry: Growth and Structural Change. New York: United Nations, 1987.
警告: この引用は必ずしも正確ではありません.