Giesecke, F. E., Mitchell, A., Spencer, H. C., Hill, I. L., Loving, R. O., Dygdon, J. T., & Novak, J. E. (1993). Engineering graphics (5a. ed.). MacMillan.
Cita Chicago (17th ed.)Giesecke, Frederick Ernest, Alva Mitchell, Henry Cecil Spencer, Ivan Leroy Hill, Robert Olin Loving, John Thomas Dygdon, i James E. Novak. Engineering Graphics. 5a. ed. Nueva York: MacMillan, 1993.
Cita MLA (9th ed.)Giesecke, Frederick Ernest, et al. Engineering Graphics. 5a. ed. MacMillan, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.