De Haan, H. (1995). New developments improved oil recovery. The Geological Society.
芝加哥风格引文De Haan, H.J. New Developments Improved Oil Recovery. London: The Geological Society, 1995.
MLA引文De Haan, H.J. New Developments Improved Oil Recovery. The Geological Society, 1995.
警告：这些引文格式不一定是100％准确.