(1998). Engineering drawing practices.
Chicago-čujuhus (17. p.)Engineering Drawing Practices. 1998.
MLA-čujuhus (9. p.)Engineering Drawing Practices. 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)