(2009). Condition of Education 2009. U.S. Department of Education.
Chicago-čujuhus (17. p.)Condition of Education 2009. U.S. Department of Education, 2009.
MLA-čujuhus (9. p.)Condition of Education 2009. U.S. Department of Education, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.