(1966). Government purchasing in Europe North America and Japan. Paris: OECD.
シカゴスタイル引用形Government Purchasing in Europe North America and Japan. Paris: OECD, 1966.
MLA引用形式Government Purchasing in Europe North America and Japan. Paris: OECD, 1966.
警告: この引用は必ずしも正確ではありません.