Dass, H. K. (1997). Coordinate Geometry. Modern Book Centre.
Chicago-čujuhus (17. p.)Dass, H. K. Coordinate Geometry. New Delhi: Modern Book Centre, 1997.
MLA-čujuhus (9. p.)Dass, H. K. Coordinate Geometry. Modern Book Centre, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.