Gaya APA

Burby, R, J., Cigler, B, A. (1991). Sharing Environmental Risks How to Control Governments Losses in Natural Disasters . Boulder: Westview Press.

Gaya MLA

Burby, Raymond, J., Cigler, Beverly, A. "Sharing Environmental Risks How to Control Governments Losses in Natural Disasters". Boulder: Westview Press, 1991. Text.