United Nations & International Strategy for Disaster Reduction. (2005). Know risk. Tudor Rose for and on behalf of the United Nations.
Chicago-referens (17:e uppl.)United Nations och International Strategy for Disaster Reduction. Know Risk. [Leicester]: Tudor Rose for and on behalf of the United Nations, 2005.
MLA-referens (8:e uppl.)United Nations och International Strategy for Disaster Reduction. Know Risk. Tudor Rose for and on behalf of the United Nations, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.