Cita APA (7th ed.)

Chappell, E. (2012). AutoCAD civil 3D essentials. John Wiley & Sons.

Cita Chicago (17th ed.)

Chappell, Eric. AutoCAD Civil 3D Essentials. Indianapolis: John Wiley & Sons, 2012.

Cita MLA (9th ed.)

Chappell, Eric. AutoCAD Civil 3D Essentials. John Wiley & Sons, 2012.