Crysdale, B. L., & Schenk, C. J. (1990). Heavy oil resources of the United States: A summary of the locations, resources, and petrophysical properties of heavy oil reservoirs in the conterminous United States. US Gov.Print.Off.
Chicago-Zitierstil (17. Ausg.)Crysdale, Bonnie L., und Christopher J. Schenk. Heavy Oil Resources of the United States: A Summary of the Locations, Resources, and Petrophysical Properties of Heavy Oil Reservoirs in the Conterminous United States. Washington, DC: US Gov.Print.Off, 1990.
MLA-Zitierstil (9. Ausg.)Crysdale, Bonnie L., und Christopher J. Schenk. Heavy Oil Resources of the United States: A Summary of the Locations, Resources, and Petrophysical Properties of Heavy Oil Reservoirs in the Conterminous United States. US Gov.Print.Off, 1990.