Smith, K. (1992). Environmental hazards : assessing risk and: Reducing disaster. Routledge.
Chicago Style (17th ed.) ZitazioaSmith, Keith. Environmental Hazards : Assessing Risk and: Reducing Disaster. London: Routledge, 1992.
MLA (9th ed.) ZitazioaSmith, Keith. Environmental Hazards : Assessing Risk and: Reducing Disaster. Routledge, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.