(2005). National Assessment of Oil and Gas Project petroleum systems and geologic assessment of oil and gas in the Southwestern Wyoming Province, Wyoming, Colorado and Utah / compiled by U.S. Geological Survey Southwestern Wyoming Province Assessment Team. [electronic resource].
Παραπομπή σε μορφή Chicago (17η εκδ.)National Assessment of Oil and Gas Project Petroleum Systems and Geologic Assessment of Oil and Gas in the Southwestern Wyoming Province, Wyoming, Colorado and Utah / Compiled by U.S. Geological Survey Southwestern Wyoming Province Assessment Team. [electronic Resource]. 2005.
Παραπομπή σε μορφή MLA (9th εκδ.)National Assessment of Oil and Gas Project Petroleum Systems and Geologic Assessment of Oil and Gas in the Southwestern Wyoming Province, Wyoming, Colorado and Utah / Compiled by U.S. Geological Survey Southwestern Wyoming Province Assessment Team. [electronic Resource]. 2005.