BHATT. (2011). ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ).
Chicago-čujuhus (17. p.)BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.
MLA-čujuhus (9. p.)BHATT. ELEMENTARY ENGINEERING DRAWING ( PLANE AND SOLID GEOMETRY ) ( TEACHER'S COPY ). 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.