World Book, I. The world book encyclopedia. Chicago.
Chicago-čujuhus (17. p.)World Book, Inc. The World Book Encyclopedia. : Chicago.
MLA-čujuhus (9. p.)World Book, Inc. The World Book Encyclopedia. Chicago.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.