Ravi Varma, L. A. (1970). Aryadravida Bhashakalute Paraspara Bandham. The Kerala Sahitya Akademi.
シカゴスタイル引用形Ravi Varma, L. A. Aryadravida Bhashakalute Paraspara Bandham. Kottayam: The Kerala Sahitya Akademi, 1970.
MLA引用形式Ravi Varma, L. A. Aryadravida Bhashakalute Paraspara Bandham. The Kerala Sahitya Akademi, 1970.
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