ebrary, Inc. (1991). A Safer future: Reducing the impacts of natural disasters. National Academy Press.
Chicago-referens (17:e uppl.)ebrary, Inc. A Safer Future: Reducing the Impacts of Natural Disasters. Washington, D.C.: National Academy Press, 1991.
MLA-referens (9:e uppl.)ebrary, Inc. A Safer Future: Reducing the Impacts of Natural Disasters. National Academy Press, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.