KOSHAL SATIS. (1989). DBASE WORK BOOK. BPB PUBLICATIONS.
Chicago-čujuhus (17. p.)KOSHAL SATIS. DBASE WORK BOOK. NEW DELHI: BPB PUBLICATIONS, 1989.
MLA-čujuhus (9. p.)KOSHAL SATIS. DBASE WORK BOOK. BPB PUBLICATIONS, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.