Discovering AutoCAD 2015 by Mark Dix and Paul Riley (2014, Paperback)

Discovering AutoCAD 2014 by Paul Riley and Mark Dix (2013, Trade Paperback)

Discovering AutoCAD 2017 by Dix, Mark, Riley, Paul

Discovering AutoCAD 2020 by Mark Dix and Paul Riley (Paperback)

Discovering AutoCAD Release 12 Mark Dix, Paul Riley Softcover, Lightly Used

Discovering AutoCAD 2013 by Dix, Mark, Riley, Paul

Discovering AutoCAD 2000 by Mark Dix; Paul Riley

Discovering AutoCAD 2011 by Dix, Mark; Riley, Paul; Autodesk