Bell, F. (1999). Geological hazards: Their assessment, avoidance and mitigation (3rd ed.). E. & FN Spon.
Chicago Style (17. basım) AtıfBell, F.G. Geological Hazards: Their Assessment, Avoidance and Mitigation. 3rd ed. London: E. & FN Spon, 1999.
MLA (9th ed.) AtıfBell, F.G. Geological Hazards: Their Assessment, Avoidance and Mitigation. 3rd ed. E. & FN Spon, 1999.
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