Não informado. The Mountain Geologist. Rocky Mountain Association of Geologists.
Chicagoスタイル(17版)引用形式Não informado. The Mountain Geologist. Denver, Colo: Rocky Mountain Association of Geologists.
MLA(8版)引用形式Não informado. The Mountain Geologist. Rocky Mountain Association of Geologists.
警告: この引用は必ずしも正確ではありません.