Sharma, J. (1998). Excellence through quality circle. RBSA.
Cita Chicago (17th ed.)Sharma, Jayant. Excellence Through Quality Circle. Jaipur: RBSA, 1998.
Cita MLA (9th ed.)Sharma, Jayant. Excellence Through Quality Circle. RBSA, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.