Dyfyniad APA
Holland, L., Davenport, C., & Chappell, E. (2013). Mastering AutoCAD Civil 3D 2014. Autodesk Official Press.
Dyfyniad Arddull Chicago
Holland, Louisa, Cyndy Davenport, and Eric Chappell. Mastering AutoCAD Civil 3D 2014. Indianapolis, Ind.: Autodesk Official Press, 2013.
Dyfyniad MLA
Holland, Louisa, et al. Mastering AutoCAD Civil 3D 2014. Autodesk Official Press, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.