Giesecke, F. E., Mitchell, A., Spencer, H. C., Hill, I. L., Dygdon, J. T., Novak, J. E., & Lockhart, S. Technical drawing / Frederick E. Giesecke...[et.al.]. (13th edition.). Upper Saddle River, New Jersey : Pearson/Prentice Hall, 2009.

Giesecke, Frederick E., Alva Mitchell, Henry Cecil Spencer, Ivan Leroy Hill, John Thomas Dygdon, James E. Novak, and Shawna Lockhart. Technical Drawing / Frederick E. Giesecke...[et.al.]. 13th edition. Upper Saddle River, New Jersey : Pearson/Prentice Hall, 2009.

Giesecke, Frederick E., et al. Technical Drawing / Frederick E. Giesecke...[et.al.]. 13th edition. Upper Saddle River, New Jersey : Pearson/Prentice Hall, 2009.