Cita APA (7th ed.)
Giesecke, F. E. (1997). Technical drawing (10th ed.). Prentice Hall.
Cita Chicago (17th ed.)
Giesecke, Frederick E. Technical Drawing. 10th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Cita MLA (9th ed.)
Giesecke, Frederick E. Technical Drawing. 10th ed. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.