LULLA SURESH. (1997). ISO 9000 + CQI = PROFIT. D L SHAH TRUST.
Lua i Stíl Chicago (17ú heag.)LULLA SURESH. ISO 9000 + CQI = PROFIT. MUMBAI: D L SHAH TRUST, 1997.
Lua MLA (9ú heag.)LULLA SURESH. ISO 9000 + CQI = PROFIT. D L SHAH TRUST, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.