Sukumaran, M. (1981). Asurasankeerthanam.
Chicago Style aipamenaSukumaran, M. Asurasankeerthanam. Kottayam, D C Books, 1981.
MLA aipamenaSukumaran, M. Asurasankeerthanam. 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Sukumaran, M. (1981). Asurasankeerthanam.
Chicago Style aipamenaSukumaran, M. Asurasankeerthanam. Kottayam, D C Books, 1981.
MLA aipamenaSukumaran, M. Asurasankeerthanam. 1981.