(1959). Vallatholkkavitha. Sahitya Pravarthaka Co-operative Society Ltd.
Chicago Style aipamenaVallatholkkavitha. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1959.
MLA aipamenaVallatholkkavitha. Sahitya Pravarthaka Co-operative Society Ltd, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.