Penner, S. S. (1982). New sources of oil & gas: Gases from coal, liquid fuels from coal, shale, tar sands, and heavy oil sources (First edition.). Pergamon. https://doi.org/10.1016/C2013-0-06056-2
Chicago-Zitierstil (17. Ausg.)Penner, S. S. New Sources of Oil & Gas: Gases from Coal, Liquid Fuels from Coal, Shale, Tar Sands, and Heavy Oil Sources. First edition. Oxford, New York: Pergamon, 1982. https://doi.org/10.1016/C2013-0-06056-2.
MLA-Zitierstil (9. Ausg.)Penner, S. S. New Sources of Oil & Gas: Gases from Coal, Liquid Fuels from Coal, Shale, Tar Sands, and Heavy Oil Sources. First edition. Pergamon, 1982. https://doi.org/10.1016/C2013-0-06056-2.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.