Murthy , D. (2001). Consumer and Quality. New Age International.
Lua i Stíl Chicago (17ú heag.)Murthy , D.B.N. Consumer and Quality. Delhi: New Age International, 2001.
Lua MLA (9ú heag.)Murthy , D.B.N. Consumer and Quality. New Age International, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.