World Bank. (1971). Telecommunication: Sector working paper. Paris: World Bank.
シカゴスタイル引用形World Bank. Telecommunication: Sector Working Paper. Paris: World Bank, 1971.
MLA引用形式World Bank. Telecommunication: Sector Working Paper. Paris: World Bank, 1971.
警告: この引用は必ずしも正確ではありません.