Não informado. (1999). Geology of greenland survey bulletin. Geological Survey of Denmark and Greenland.
Style de citation Chicago (17e éd.)Não informado. Geology of Greenland Survey Bulletin. Copenhagen: Geological Survey of Denmark and Greenland, 1999.
Style de citation MLA (8e éd.)Não informado. Geology of Greenland Survey Bulletin. Geological Survey of Denmark and Greenland, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.