Kavanagh, B. F. (2007). Surveying with construction applications Barry F. Kavanagh. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Kavanagh, Barry F. Surveying with Construction Applications Barry F. Kavanagh. Prentice Hall, 2007.
Lua MLA (8ú heag.)Kavanagh, Barry F. Surveying with Construction Applications Barry F. Kavanagh. Prentice Hall, 2007.
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