Brench, T. E. (1963). Engineering drawing descriptive geometry graphic solutions (2nd ed.). Mcgraw-Hill.
Cita Chicago (17th ed.)Brench, Thomas E. Engineering Drawing Descriptive Geometry Graphic Solutions. 2nd ed. New York: Mcgraw-Hill, 1963.
Cita MLA (9th ed.)Brench, Thomas E. Engineering Drawing Descriptive Geometry Graphic Solutions. 2nd ed. Mcgraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.