Hartford, D. N. D. (2004). Risk and Uncertainty in dam safetyCEA technologies dam safety interest group. Thomas Telford.
Chicago-referens (17:e uppl.)Hartford, Desmond N. D. Risk and Uncertainty in Dam SafetyCEA Technologies Dam Safety Interest Group. Thomas Telford, 2004.
MLA-referens (8:e uppl.)Hartford, Desmond N. D. Risk and Uncertainty in Dam SafetyCEA Technologies Dam Safety Interest Group. Thomas Telford, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.