British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.
Chicagoスタイル(17版)引用形式British Sulphur Corporation, ltd. Sulphur. London: British Sulphur Corporation, ltd.
MLA(8版)引用形式British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.
警告: この引用は必ずしも正確ではありません.