Kirkpatrick, J. M. (1996). The AutoCAD book: Drawing, modeling, and applications, including release 13 (4th ed.). New Jersey: Prentice Hall.
Παραπομπή Chicago StyleKirkpatrick, James M. The AutoCAD Book: Drawing, Modeling, and Applications, Including Release 13. 4th ed. New Jersey: Prentice Hall, 1996.
Παραπομπή MLAKirkpatrick, James M. The AutoCAD Book: Drawing, Modeling, and Applications, Including Release 13. 4th ed. New Jersey: Prentice Hall, 1996.
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