(1999). All About Direct Loans. U.S. Department of Education.
Chicago-čujuhus (17. p.)All About Direct Loans. U.S. Department of Education, 1999.
MLA-čujuhus (9. p.)All About Direct Loans. U.S. Department of Education, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.