Omura, G., & Graham, R. (2011). Mastering AutoCAD 2012 and AutoCAD LT 2012: Autodesk official training guide. Wiley.
Citazione stile Chigago Style (17a edizione)Omura, George, e Rick Graham. Mastering AutoCAD 2012 and AutoCAD LT 2012: Autodesk Official Training Guide. Indianapolis, Ind: Wiley, 2011.
Citatione MLA (9a ed.)Omura, George, e Rick Graham. Mastering AutoCAD 2012 and AutoCAD LT 2012: Autodesk Official Training Guide. Wiley, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.