(1999). Parent's Guide to the Internet. U.S. Department of Education.
Chicago-čujuhus (17. p.)Parent's Guide to the Internet. U.S. Department of Education, 1999.
MLA-čujuhus (9. p.)Parent's Guide to the Internet. U.S. Department of Education, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.