KURUP,O.N.V. (1980). VALAPPOTTUKAL. SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY.
Chicago Style aipamenaKURUP,O.N.V. VALAPPOTTUKAL. KOTTAYAM: SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY, 1980.
MLA aipamenaKURUP,O.N.V. VALAPPOTTUKAL. SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.