Giesecke, F. E. (1998). Engineering graphics (6th ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Giesecke, Frederick E. Engineering Graphics. 6th ed. Upper Saddle River: Prentice-Hall, 1998.
Cita MLA (9a ed.)Giesecke, Frederick E. Engineering Graphics. 6th ed. Prentice-Hall, 1998.
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