Goetsch, D. L., & Nelson, J. A. (1986). Technical drawing and design. Delmar Publishers.
Lua i Stíl Chicago (17ú heag.)Goetsch, David L., agus John A. Nelson. Technical Drawing and Design. Albany, N.Y.: Delmar Publishers, 1986.
Lua MLA (9ú heag.)Goetsch, David L., agus John A. Nelson. Technical Drawing and Design. Delmar Publishers, 1986.
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