APA (7 वां संस्करण) प्रशस्ति पत्र

Khurmi, R. &. G. J. (2023). Mechanical Engineering (Conventional and Objective Type) (08th.). S.Chand.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Khurmi, R.S. & Gupta J.K. Mechanical Engineering (Conventional and Objective Type). 08th. New Delhi: S.Chand, 2023.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Khurmi, R.S. & Gupta J.K. Mechanical Engineering (Conventional and Objective Type). 08th. S.Chand, 2023.