Smith, K. (2004). Environmental hazards: Assessing risk and reducing disaster (Fourth edition.). Routledge/Taylor & Francis.
Lua i Stíl Chicago (17ú heag.)Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. Fourth edition. London: Routledge/Taylor & Francis, 2004.
Lua MLA (8ú heag.)Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. Fourth edition. Routledge/Taylor & Francis, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.