APA (7 वां संस्करण) प्रशस्ति पत्र

Panneerselvam,R. (2020). Engineering Economics (02nd.). PHI Learning.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Panneerselvam,R. Engineering Economics. 02nd. New Delhi: PHI Learning, 2020.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Panneerselvam,R. Engineering Economics. 02nd. PHI Learning, 2020.