Manavalan, P. (1983). Kerala samsakarathinum Bhashaikkum christhavamissionarymar nalkiya sambhavana: Arnospathiriyude kethikalkku prathaniyam nalkikondulla oru. Kerala sarvakalasala malayalam , Gaveshanaprabandam.
शिकागो स्टाइल उद्धरणManavalan, Paul. Kerala Samsakarathinum Bhashaikkum Christhavamissionarymar Nalkiya Sambhavana: Arnospathiriyude Kethikalkku Prathaniyam Nalkikondulla Oru. Kerala sarvakalasala malayalam , Gaveshanaprabandam, 1983.
एमएलए उद्धरणManavalan, Paul. Kerala Samsakarathinum Bhashaikkum Christhavamissionarymar Nalkiya Sambhavana: Arnospathiriyude Kethikalkku Prathaniyam Nalkikondulla Oru. Kerala sarvakalasala malayalam , Gaveshanaprabandam, 1983.
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