Mitchell, E. J. (1974). Vertical integration in the oil industry. Washington: The AEI National Energy project.
シカゴスタイル引用形Mitchell, Edward J. Vertical Integration in the Oil Industry. Washington: The AEI National Energy project, 1974.
MLA引用形式Mitchell, Edward J. Vertical Integration in the Oil Industry. Washington: The AEI National Energy project, 1974.
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