United States. Office of Education. Circulars.
Chicago-čujuhus (17. p.)United States. Office of Education. Circulars.
MLA-čujuhus (9. p.)United States. Office of Education. Circulars.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.