Prema Nandakumar. (1972). Sri Aurobindo: A brief biography. Publications Division, Ministry of Information and Broadcasting, Govt. of India.
シカゴスタイル引用形Prema Nandakumar. Sri Aurobindo: A Brief Biography. New Delhi: Publications Division, Ministry of Information and Broadcasting, Govt. of India, 1972.
MLA引用形式Prema Nandakumar. Sri Aurobindo: A Brief Biography. Publications Division, Ministry of Information and Broadcasting, Govt. of India, 1972.
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