APA (7 वां संस्करण) प्रशस्ति पत्र

Bhattacharya, S. (2023). Installation Servicing And Maintenance (02nd.). S.Chand.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bhattacharya, S.N. Installation Servicing And Maintenance. 02nd. New Delhi: S.Chand, 2023.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Bhattacharya, S.N. Installation Servicing And Maintenance. 02nd. S.Chand, 2023.