Smith, K. (2004). Environmental hazards: Assessing risk and reducing disaster (Fourth edition.). Routledge/Taylor & Francis.
Cita Chicago (17th ed.)Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. Fourth edition. London: Routledge/Taylor & Francis, 2004.
Cita MLA (8th ed.)Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. Fourth edition. Routledge/Taylor & Francis, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.