Não informado. (1999). Geology of greenland survey bulletin. Geological Survey of Denmark and Greenland.
Chicago-Zitierstil (17. Ausg.)Não informado. Geology of Greenland Survey Bulletin. Copenhagen: Geological Survey of Denmark and Greenland, 1999.
MLA-Zitierstil (8. Ausg.)Não informado. Geology of Greenland Survey Bulletin. Geological Survey of Denmark and Greenland, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.