Não informado. (1999). Geology of greenland survey bulletin. Geological Survey of Denmark and Greenland.
Chicagoスタイル(17版)引用形式Não informado. Geology of Greenland Survey Bulletin. Copenhagen: Geological Survey of Denmark and Greenland, 1999.
MLA(8版)引用形式Não informado. Geology of Greenland Survey Bulletin. Geological Survey of Denmark and Greenland, 1999.
警告: この引用は必ずしも正確ではありません.