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.
Lua i Stíl Chicago (17ú heag.)Libecap, Gary D., agus James L. Smith. The Self-enforcing Provisions of Oil and Gas Unit Operating Agreements: Theory and Evidence. Cambridge: National Bureau of Economic Research, 1999.
Lua MLA (9ú heag.)Libecap, Gary D., agus James L. Smith. The Self-enforcing Provisions of Oil and Gas Unit Operating Agreements: Theory and Evidence. National Bureau of Economic Research, 1999.
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