PEATA. (1997). Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications.
Chicago-čujuhus (17. p.)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 1997.
MLA-čujuhus (9. p.)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.