Ramakrishnan, M. (1976). Yantram (3rd ed.). Sahitya Pravarthaka Co-operative Society Ltd.
シカゴスタイル引用形Ramakrishnan, Malayattur. Yantram. 3rd ed. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1976.
MLA引用形式Ramakrishnan, Malayattur. Yantram. 3rd ed. Sahitya Pravarthaka Co-operative Society Ltd, 1976.
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