Omura,, G. (2008). Introducing autocad 2008. Wiley India.
Chicago Style aipamenaOmura,, George. Introducing Autocad 2008. New Delhi: Wiley India, 2008.
MLA aipamenaOmura,, George. Introducing Autocad 2008. Wiley India, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.