MALHOTRA.O.P / GUPTA.S.K / GANGAL, A. (2013). MATHEMATICS TODAY - 2. S.CHAND.
Chicago-čujuhus (17. p.)MALHOTRA.O.P / GUPTA.S.K / GANGAL, ANUBHUTI. MATHEMATICS TODAY - 2. S.CHAND, 2013.
MLA-čujuhus (9. p.)MALHOTRA.O.P / GUPTA.S.K / GANGAL, ANUBHUTI. MATHEMATICS TODAY - 2. S.CHAND, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.