Hartshorn, J. E. (1962). Oil Companies and Governments. London: Faber and Faber.
シカゴスタイル引用形Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.
MLA引用形式Hartshorn, J. E. Oil Companies and Governments. London: Faber and Faber, 1962.
警告: この引用は必ずしも正確ではありません.