Ramavarma Ambalappuzha. (2010). Keralathile pracheena kalakal. Sahitya Pravartaka Co-operative Society.
Chicago Style aipamenaRamavarma Ambalappuzha. Keralathile Pracheena Kalakal. Kottayam: Sahitya Pravartaka Co-operative Society, 2010.
MLA aipamenaRamavarma Ambalappuzha. Keralathile Pracheena Kalakal. Sahitya Pravartaka Co-operative Society, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.