Hood, G. J., Palmerlee, A. S., & Baer, C. J. (1969). Geometry of engineering drawing (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Hood, George Jèussen, Albert Seward Palmerlee, i Charles J. Baer. Geometry of Engineering Drawing. 5th ed. New York: McGraw-Hill, 1969.
Cita MLA (9th ed.)Hood, George Jèussen, et al. Geometry of Engineering Drawing. 5th ed. McGraw-Hill, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.