Wijkman, A. (1984). Natural disasters: Acts of God or acts of man. International Institute for Environment and Development.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. London: International Institute for Environment and Development, 1984.
MLA -ийн эшлэл (9 дэх хэвлэлт)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. International Institute for Environment and Development, 1984.
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