Wijkman, A. (1984). Natural disasters: Acts of God or acts of man. International Institute for Environment and Development.
Citazione stile Chigago Style (17a edizione)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. London: International Institute for Environment and Development, 1984.
Citatione MLA (9a ed.)Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. International Institute for Environment and Development, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.