PEATA. (2001). Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications.
Čikaški stil citiranja (17. izdanje)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 2001.
MLA način citiranja (9. izdanje)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 2001.
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