Ubaid, K. (1981). Nisantham. Prabhath Book House.
Chicago Style aipamenaUbaid, Kallambalam. Nisantham. Prabhath Book House, 1981.
MLA aipamenaUbaid, Kallambalam. Nisantham. Prabhath Book House, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.