Lua APA (7ú heag.)
Chappell, E. (2015). AutoCAD Civil 3D 2016: Essentials : autodesk official press. John Wiley & Sons, Inc..
Lua i Stíl Chicago (17ú heag.)
Chappell, Eric. AutoCAD Civil 3D 2016: Essentials : Autodesk Official Press. Indianapolis, Indiana: John Wiley & Sons, Inc., 2015.
Lua MLA (9ú heag.)
Chappell, Eric. AutoCAD Civil 3D 2016: Essentials : Autodesk Official Press. John Wiley & Sons, Inc., 2015.
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