Kirkpatrick, J. M., & Helba, S. (1992). The AutoCAD book. Drawing, modeling, and applications (2nd ed.). Macmillan Publishers.
Citace podle Chicago (17th ed.)Kirkpatrick, James M., a S. Helba. The AutoCAD Book. Drawing, Modeling, and Applications. 2nd ed. New York: Macmillan Publishers, 1992.
Citace podle MLA (9th ed.)Kirkpatrick, James M., a S. Helba. The AutoCAD Book. Drawing, Modeling, and Applications. 2nd ed. Macmillan Publishers, 1992.
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