SACHDERA S.K.D. (2006). COMPETITION SUCESS GENERAL KNOWLEDGE. COMBRIDGE UNI. PRESS.
Chicago-čujuhus (17. p.)SACHDERA S.K.D. COMPETITION SUCESS GENERAL KNOWLEDGE. NEW DELHI: COMBRIDGE UNI. PRESS, 2006.
MLA-čujuhus (9. p.)SACHDERA S.K.D. COMPETITION SUCESS GENERAL KNOWLEDGE. COMBRIDGE UNI. PRESS, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.