George Omura. (1997). AutoCAD 14: Instant Reference. BPB.
Chicago Edition CitationGeorge Omura. AutoCAD 14: Instant Reference. BPB, 1997.
Cita MLAGeorge Omura. AutoCAD 14: Instant Reference. BPB, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.