Giesecke, F. E. (2012). Technical drawing with engineering graphics (14th International ed.). Prentice Education International.
Cita Chicago (17th ed.)Giesecke, Frederick E. Technical Drawing with Engineering Graphics. 14th International ed. Upper Saddle River, N.J: Prentice Education International, 2012.
Cita MLA (9th ed.)Giesecke, Frederick E. Technical Drawing with Engineering Graphics. 14th International ed. Prentice Education International, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.