Bell, F. G. (1999). Geological hazards: Their assessment, avoidance, and mitigation. E & FN Spon.
Tohutoru Kātū Chicago (17th ed.)Bell, F. G. Geological Hazards: Their Assessment, Avoidance, and Mitigation. London, ; New York: E & FN Spon, 1999.
Tohutoro MLA (9th ed.)Bell, F. G. Geological Hazards: Their Assessment, Avoidance, and Mitigation. E & FN Spon, 1999.
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