Murali, P. (1989). Swathi Thirunal. D. C. Books.
Chicago Style aipamenaMurali, Pirappankod. Swathi Thirunal. Kottayam: D. C. Books, 1989.
MLA aipamenaMurali, Pirappankod. Swathi Thirunal. D. C. Books, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.