Edwards, L. (1996). Civil Engineering Insurance And Bonding Leslie Edwards, Geoffrey Lord, Peter Madge. Thomas Telford.
Lua i Stíl Chicago (17ú heag.)Edwards, Leslie. Civil Engineering Insurance And Bonding Leslie Edwards, Geoffrey Lord, Peter Madge. Thomas Telford, 1996.
Lua MLA (8ú heag.)Edwards, Leslie. Civil Engineering Insurance And Bonding Leslie Edwards, Geoffrey Lord, Peter Madge. Thomas Telford, 1996.
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