Libecap, G. D., & Smith, J. L. (1999). The self-enforcing provisions of oil and gas unit operating agreements: Theory and evidence. National Bureau of Economic Research.
芝加哥风格引文Libecap, Gary D., 与 James L. Smith. The Self-enforcing Provisions of Oil and Gas Unit Operating Agreements: Theory and Evidence. Cambridge: National Bureau of Economic Research, 1999.
MLA引文Libecap, Gary D., 与 James L. Smith. The Self-enforcing Provisions of Oil and Gas Unit Operating Agreements: Theory and Evidence. National Bureau of Economic Research, 1999.
警告：这些引文格式不一定是100％准确.