Wijkman, A. (1984). Natural disasters: Acts of God or acts of man. International Institute for Environment and Development.
Chicago-referens (17:e uppl.)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. London: International Institute for Environment and Development, 1984.
MLA-referens (9:e uppl.)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. International Institute for Environment and Development, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.