World Book, I. (1999). The world book encyclopedia: Ci-cz. World Book.
Chicago-čujuhus (17. p.)World Book, Inc. The World Book Encyclopedia: Ci-cz. Chicago: World Book, 1999.
MLA-čujuhus (9. p.)World Book, Inc. The World Book Encyclopedia: Ci-cz. World Book, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.