Merkoša sitáhtat

APA-čujuhus (7. p.)
Estados Unidos Geological Survey. (19). Manitou-Frontenac, Keweenaw, and North Cliff geologic sections. U. S. Geological Survey.
Chicago-čujuhus (17. p.)
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
MLA-čujuhus (9. p.)
Estados Unidos Geological Survey. Manitou-Frontenac, Keweenaw, and North Cliff Geologic Sections. U. S. Geological Survey, 19.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.