Yuan Shi-yi. Strong Technology Support for Construction of Integrated International Energy Companies Comes from Independent Innovation and Technological Progress[J]. Petroleum Science and Technology Forum, 2009, 28(4): 2-6.
袁士义. 加快自主创新推进科技进步为建设综合性国际能源公司提供强有力的技术支撑[J]. 石油科技论坛, 2009, 28(4): 2-6.