Geological Survey of Denmark and Greenland Bulletin | Geological Survey of Denmark and Greenland. Cambridge University Press.
Cita Chicago (17th ed.)Geological Survey of Denmark and Greenland Bulletin | Geological Survey of Denmark and Greenland. Cambridge University Press.
Cita MLA (9th ed.)Geological Survey of Denmark and Greenland Bulletin | Geological Survey of Denmark and Greenland. Cambridge University Press.
Atenció: Aquestes cites poden no estar 100% correctes.