Kulkarni, H. C., & Mahajan, Y. UPSC Planner & Information Bulletin. Deepstambh Publication.
Chicago-čujuhus (17. p.)Kulkarni, Harshal C., juo Yajurvendra Mahajan. UPSC Planner & Information Bulletin. Jalgaon: Deepstambh Publication.
MLA-čujuhus (9. p.)Kulkarni, Harshal C., juo Yajurvendra Mahajan. UPSC Planner & Information Bulletin. Deepstambh Publication.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.