Chummar T M. (1982). Kavithilakan K P Karuppan. Sahitya Pravartaka Co-operative Society.
शिकागो स्टाइल उद्धरणChummar T M. Kavithilakan K P Karuppan. Kottayam: Sahitya Pravartaka Co-operative Society, 1982.
एमएलए उद्धरणChummar T M. Kavithilakan K P Karuppan. Sahitya Pravartaka Co-operative Society, 1982.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.