Não informado. (1999). Rocky Mountain Geology. University of Wyoming, Department of Geology and Geophysics.
Chicagoスタイル(17版)引用形式Não informado. Rocky Mountain Geology. Laramie, Wyo: University of Wyoming, Department of Geology and Geophysics, 1999.
MLA(8版)引用形式Não informado. Rocky Mountain Geology. University of Wyoming, Department of Geology and Geophysics, 1999.
警告: この引用は必ずしも正確ではありません.