Lua APA (7ú heag.)

Não informado. (1999). Geology of greenland survey bulletin. Geological Survey of Denmark and Greenland.

Lua i Stíl Chicago (17ú heag.)

Não informado. Geology of Greenland Survey Bulletin. Copenhagen: Geological Survey of Denmark and Greenland, 1999.

Lua MLA (8ú heag.)

Não informado. Geology of Greenland Survey Bulletin. Geological Survey of Denmark and Greenland, 1999.

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