Tohutoro APA (7th ed.)
Tordo, S., Tracy, B. S., & Arfaa, N. (2011). National oil companies and value creation. World Bank.
Tohutoru Kātū Chicago (17th ed.)
Tordo, Silvana, Brandon S. Tracy, me Noora Arfaa. National Oil Companies and Value Creation. Washington, D.C.: World Bank, 2011.
Tohutoro MLA (9th ed.)
Tordo, Silvana, et al. National Oil Companies and Value Creation. World Bank, 2011.
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