Bhatt N D. Engineering drawing. Charotar.
Chicago-čujuhus (17. p.)Bhatt N D. Engineering Drawing. Gujrat: Charotar.
MLA-čujuhus (9. p.)Bhatt N D. Engineering Drawing. Charotar.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.