Sharma, J. (1998). Excellence through quality circle. RBSA.
Chicago-čujuhus (17. p.)Sharma, Jayant. Excellence Through Quality Circle. Jaipur: RBSA, 1998.
MLA-čujuhus (9. p.)Sharma, Jayant. Excellence Through Quality Circle. RBSA, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.