International telecommunication union. (1971). Tenth report. Geneva: International telecommunication union.
シカゴスタイル引用形International telecommunication union. Tenth Report. Geneva: International telecommunication union, 1971.
MLA引用形式International telecommunication union. Tenth Report. Geneva: International telecommunication union, 1971.
警告: この引用は必ずしも正確ではありません.