APA-referens (7:e uppl.)
Meechan, C. L. (2014). Shale energy engineering 2014: Technical challenges, environmental issues, and public policy : proceedings of the 2014 Shale Energy Engineering Conference, July 21-23, 2014, Pittsburgh, Pennsylvania. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)
Meechan, Christopher L. Shale Energy Engineering 2014: Technical Challenges, Environmental Issues, and Public Policy : Proceedings of the 2014 Shale Energy Engineering Conference, July 21-23, 2014, Pittsburgh, Pennsylvania. Reston, Virginia: American Society of Civil Engineers, 2014.
MLA-referens (9:e uppl.)
Meechan, Christopher L. Shale Energy Engineering 2014: Technical Challenges, Environmental Issues, and Public Policy : Proceedings of the 2014 Shale Energy Engineering Conference, July 21-23, 2014, Pittsburgh, Pennsylvania. American Society of Civil Engineers, 2014.
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