APA (7 वां संस्करण) प्रशस्ति पत्र

PRADHAN, A., & SONI, M. (1978). Refrigeration and air-conditioning: Theory and practice. Dhanpat Rai and Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

PRADHAN, A.C, और M.L SONI. Refrigeration and Air-conditioning: Theory and Practice. New Dehli: Dhanpat Rai and Sons, 1978.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

PRADHAN, A.C, और M.L SONI. Refrigeration and Air-conditioning: Theory and Practice. Dhanpat Rai and Sons, 1978.