Tordo, S., Tracy, B. S., & Arfaa, N. (2011). National oil companies and value creation. World Bank.
芝加哥风格引文Tordo, Silvana, Brandon S. Tracy, 与 Noora Arfaa. National Oil Companies and Value Creation. Washington, D.C.: World Bank, 2011.
MLA引文Tordo, Silvana, et al. National Oil Companies and Value Creation. World Bank, 2011.
警告：这些引文格式不一定是100％准确.