Cita APA (7th ed.)
Wijkman, A. (1984). Natural disasters: Acts of God or acts of man. International Institute for Environment and Development.
Cita Chicago (17th ed.)
Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. London: International Institute for Environment and Development, 1984.
Cita MLA (9th ed.)
Wijkman, Anders. Natural Disasters: Acts of God or Acts of Man. International Institute for Environment and Development, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.