Merkoša sitáhtat

APA-čujuhus (7. p.)
Estados Unidos Geological Survey. (19). Geologic map of copper range from end of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey.
Chicago-čujuhus (17. p.)
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
MLA-čujuhus (9. p.)
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.