George Omura. (1997). AutoCAD 14: Instant Reference. BPB.
Chicago Style aipamenaGeorge Omura. AutoCAD 14: Instant Reference. BPB, 1997.
MLA aipamenaGeorge Omura. AutoCAD 14: Instant Reference. BPB, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.