Prevention of Deterioration Center (U.S.). Prevention of deterioration advance list. Prevention of Deterioration Center, National Research Council.
Chicago-referens (17:e uppl.)Prevention of Deterioration Center (U.S.). Prevention of Deterioration Advance List. Washington, D.C.: Prevention of Deterioration Center, National Research Council.
MLA-referens (8:e uppl.)Prevention of Deterioration Center (U.S.). Prevention of Deterioration Advance List. Prevention of Deterioration Center, National Research Council.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.