(1980). Osaka trade index 1979 - 1980. Osaka: Osaka foreign trade institute Osaka prefectural government.
シカゴスタイル引用形Osaka Trade Index 1979 - 1980. Osaka: Osaka foreign trade institute Osaka prefectural government, 1980.
MLA引用形式Osaka Trade Index 1979 - 1980. Osaka: Osaka foreign trade institute Osaka prefectural government, 1980.
警告: この引用は必ずしも正確ではありません.