Lua APA (7ú heag.)
Chappell, E. (2011). AutoCAD civil 3D essentials. Wiley Pub..
Lua i Stíl Chicago (17ú heag.)
Chappell, Eric. AutoCAD Civil 3D Essentials. San Francisco, Calif.: Wiley Pub., 2011.
Lua MLA (9ú heag.)
Chappell, Eric. AutoCAD Civil 3D Essentials. Wiley Pub., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.