Ravi Varma K. T. (2004). Marumakkathayam: Gothramarumakkathayavum vadakkan sampradayangalum. State Institute of Languages.
シカゴスタイル引用形Ravi Varma K. T. Marumakkathayam: Gothramarumakkathayavum Vadakkan Sampradayangalum. Thiruvananthapuram: State Institute of Languages, 2004.
MLA引用形式Ravi Varma K. T. Marumakkathayam: Gothramarumakkathayavum Vadakkan Sampradayangalum. State Institute of Languages, 2004.
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