(1973). Wisconsin, Michigan and the great Lakes. National Geographic Society.
Chicago-čujuhus (17. p.)Wisconsin, Michigan and the Great Lakes. Washington, DC: National Geographic Society, 1973.
MLA-čujuhus (9. p.)Wisconsin, Michigan and the Great Lakes. National Geographic Society, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.