Hudson, W. R. (1997). Infrastructure managementintegrating design, construction, maintenance, rehabilitation, and renovationW. Ronald Hudson, Ralph Haas, Waheed Uddin. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hudson, W. Ronald. Infrastructure Managementintegrating Design, Construction, Maintenance, Rehabilitation, and RenovationW. Ronald Hudson, Ralph Haas, Waheed Uddin. McGraw-Hill, 1997.
Lua MLA (8ú heag.)Hudson, W. Ronald. Infrastructure Managementintegrating Design, Construction, Maintenance, Rehabilitation, and RenovationW. Ronald Hudson, Ralph Haas, Waheed Uddin. McGraw-Hill, 1997.
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