Hamad, M. M. (2010). Autocad 2009 essentials. Hingham, Mass: Jones and Bartlett.
Dyfyniad Arddull ChicagoHamad, Munir M. Autocad 2009 Essentials. Hingham, Mass: Jones and Bartlett, 2010.
Dyfyniad MLAHamad, Munir M. Autocad 2009 Essentials. Hingham, Mass: Jones and Bartlett, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.