Jensen, C. H., & Helsel, J. D. (1979). Engineering drawing and design (2d ed.). Gregg Division, McGraw-Hill.
Chicago ZitierstilJensen, Cecil Howard, und Jay D. Helsel. Engineering Drawing and Design. 2d ed. New York: Gregg Division, McGraw-Hill, 1979.
MLA ZitierstilJensen, Cecil Howard, und Jay D. Helsel. Engineering Drawing and Design. 2d ed. Gregg Division, McGraw-Hill, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.