.Bertoline, G. R. (1994). AutoCad for Engineering Graphics (2nd Ed.). Macmillan.
Cita Chicago (17th ed.).Bertoline, Gary R. AutoCad for Engineering Graphics. 2nd Ed. New York: Macmillan, 1994.
Cita MLA (9th ed.).Bertoline, Gary R. AutoCad for Engineering Graphics. 2nd Ed. Macmillan, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.