APA (7 वां संस्करण) प्रशस्ति पत्र

Verma, B. (2017). Engineering Geology and Rock Mechanics (04th.). Khanna Publisher.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Verma, B.P. Engineering Geology and Rock Mechanics. 04th. New Delhi: Khanna Publisher, 2017.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Verma, B.P. Engineering Geology and Rock Mechanics. 04th. Khanna Publisher, 2017.