एपीए उद्धरण

Singh, V. (1996). Sethubandhan: Dr.N.Raman Nair abhinandan-grandh. Surya Bharathy Prakasan.

शिकागो स्टाइल उद्धरण

Singh, Vijayapal. Sethubandhan: Dr.N.Raman Nair Abhinandan-grandh. Delhi: Surya Bharathy Prakasan, 1996.

एमएलए उद्धरण

Singh, Vijayapal. Sethubandhan: Dr.N.Raman Nair Abhinandan-grandh. Surya Bharathy Prakasan, 1996.