Não informado. (2003). Natural Hazards Review. American Society of Civil Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Natural Hazards Review. Reston, Va: American Society of Civil Engineers, 2003.
MLA (8e ed.) BronvermeldingNão informado. Natural Hazards Review. American Society of Civil Engineers, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.