Omura,, G. (1994). Mastering autocad release 12 (with floppy) (1st.). BPB.
Dyfyniad Arddull ChicagoOmura,, George. Mastering Autocad Release 12 (with Floppy). 1st. New Delhi: BPB, 1994.
Dyfyniad MLAOmura,, George. Mastering Autocad Release 12 (with Floppy). 1st. BPB, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.