Saint-Paul, N. (2009). Summers oil and gas: Volume 4 (3rd ed.). Thomas Reuters.
芝加哥风格引文Saint-Paul, Nancy. Summers Oil and Gas: Volume 4. 3rd ed. United States of America: Thomas Reuters, 2009.
MLA引文Saint-Paul, Nancy. Summers Oil and Gas: Volume 4. 3rd ed. Thomas Reuters, 2009.
警告：这些引文格式不一定是100％准确.