Goetsch, D. L., Nelson, J. A., & Chalk, W. (1994). Technical drawing (3rd ed.). Delmar Publishers.
Dyfyniad Arddull ChicagoGoetsch, David L., John A. Nelson, and William Chalk. Technical Drawing. 3rd ed. Albany, N.Y: Delmar Publishers, 1994.
Dyfyniad MLAGoetsch, David L., et al. Technical Drawing. 3rd ed. Delmar Publishers, 1994.
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