Jensen, C., & Helsel, J. D. (1990). Engineering drawing and design (4th ed.). Glencoe.
Citación estilo ChicagoJensen, Cecil, and Jay D. Helsel. Engineering Drawing and Design. 4th ed. New York: Glencoe, 1990.
Cita MLAJensen, Cecil, and Jay D. Helsel. Engineering Drawing and Design. 4th ed. Glencoe, 1990.
Warning: These citations may not always be 100% accurate.