Dix, M., & Mark Dix; Paul Riley. Discovering AutoCAD 2009. Upper Saddle River, N.J: Pearson/Prentice Hall.
Chicago Style CitationDix, Mark, i Mark Dix; Paul Riley. Discovering AutoCAD 2009. Upper Saddle River, N.J: Pearson/Prentice Hall.
Cita MLADix, Mark, i Mark Dix; Paul Riley. Discovering AutoCAD 2009. Upper Saddle River, N.J: Pearson/Prentice Hall.
Atenció: Aquestes cites poden no estar 100% correctes.