PEATA. (2001). Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications.
Citazione stile Chigago Style (17a edizione)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 2001.
Citatione MLA (9a ed.)PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.