Bhattacharya, S. (2023). Installation Servicing And Maintenance (02nd.). S.Chand.
Lua i Stíl Chicago (17ú heag.)Bhattacharya, S.N. Installation Servicing And Maintenance. 02nd. New Delhi: S.Chand, 2023.
Lua MLA (9ú heag.)Bhattacharya, S.N. Installation Servicing And Maintenance. 02nd. S.Chand, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.