Gertenfeld, M. (1961). West Europe's petrochemical industry in the seventies. France: Sóciété Générale.
シカゴスタイル引用形Gertenfeld, M. West Europe's Petrochemical Industry in the Seventies. France: Sóciété Générale, 1961.
MLA引用形式Gertenfeld, M. West Europe's Petrochemical Industry in the Seventies. France: Sóciété Générale, 1961.
警告: この引用は必ずしも正確ではありません.