Mitchell, E. J. (1976). Vertical integration in the oil industry. American Enterprise Institute for Public Policy Research.
芝加哥风格引文Mitchell, Edward J. Vertical Integration in the Oil Industry. Washington, D.C: American Enterprise Institute for Public Policy Research, 1976.
MLA引文Mitchell, Edward J. Vertical Integration in the Oil Industry. American Enterprise Institute for Public Policy Research, 1976.
警告：这些引文格式不一定是100％准确.