Ezhuthachan Thunchathu. (1997). Adhyatmaramayan (Killipattu samahatmyam). Sahitya Pravartaka Co-operative Society.
Παραπομπή Chicago StyleEzhuthachan Thunchathu. Adhyatmaramayan (Killipattu Samahatmyam). Kottayam: Sahitya Pravartaka Co-operative Society, 1997.
Παραπομπή MLAEzhuthachan Thunchathu. Adhyatmaramayan (Killipattu Samahatmyam). Sahitya Pravartaka Co-operative Society, 1997.
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