(1988). Mineral resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah. United States Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Mineral Resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah. Washington: United States Gov. Print. Off, 1988.
MLA-Zitierstil (9. Ausg.)Mineral Resources of the Black Ridge Canyons Wilderness Study Area, Mesa County, Colorado, and Grand County, Utah, and Westwater Canyon Wilderness Study Area, Grand County, Utah. United States Gov. Print. Off, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.