APA (7 वां संस्करण) प्रशस्ति पत्र

Sah, R. C. (2021). Study of lead in spray paints, Nepal. CEPHED.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sah, Ram Charitra. Study of Lead in Spray Paints, Nepal. Kathmandu: CEPHED, 2021.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Sah, Ram Charitra. Study of Lead in Spray Paints, Nepal. CEPHED, 2021.