Sampson, A. (1975). The seven sisters: The greate oil companies and the world they shaped. New York: Bantam Books, Inc.
シカゴスタイル引用形Sampson, Anthony. The Seven Sisters: The Greate Oil Companies and the World They Shaped. New York: Bantam Books, Inc, 1975.
MLA引用形式Sampson, Anthony. The Seven Sisters: The Greate Oil Companies and the World They Shaped. New York: Bantam Books, Inc, 1975.
警告: この引用は必ずしも正確ではありません.