APA (7 वां संस्करण) प्रशस्ति पत्र

Grewal, B. (2021). Higher Engineering Mathematics (44th.). Khanna Publisher.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Grewal, B.S. Higher Engineering Mathematics. 44th. New Delhi: Khanna Publisher, 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Grewal, B.S. Higher Engineering Mathematics. 44th. Khanna Publisher, 2021.