APA (7 वां संस्करण) प्रशस्ति पत्र

R.S, Y., & Singh, S. R. (1989). An advanced theory of cognitive learning. National Pubs.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

R.S, Yadav, और S.N.;Yadav R.S Singh. An Advanced Theory of Cognitive Learning. National Pubs, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

R.S, Yadav, और S.N.;Yadav R.S Singh. An Advanced Theory of Cognitive Learning. National Pubs, 1989.