Merkoša sitáhtat

APA-čujuhus (7. p.)
Jensen, C., & Helsel, J. D. (1990). Engineering drawing and design (4th ed.). Glencoe.
Chicago-čujuhus (17. p.)
Jensen, Cecil, juo Jay D. Helsel. Engineering Drawing and Design. 4th ed. New York: Glencoe, 1990.
MLA-čujuhus (9. p.)
Jensen, Cecil, juo Jay D. Helsel. Engineering Drawing and Design. 4th ed. Glencoe, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.