APA aipamena

KURUP,O.N.V. (1980). VALAPPOTTUKAL. SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY.

Chicago Style aipamena

KURUP,O.N.V. VALAPPOTTUKAL. KOTTAYAM: SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY, 1980.

MLA aipamena

KURUP,O.N.V. VALAPPOTTUKAL. SAHITHYA PRAVARTHAKA CO-OPERATIVE SOCIETY, 1980.