Parameswarayyar, U. S. Kerala sahithya charithram: Vol.1. Kerala University.
シカゴスタイル引用形Parameswarayyar, Ulloor S. Kerala Sahithya Charithram: Vol.1. Thiruvananthapuram: Kerala University.
MLA引用形式Parameswarayyar, Ulloor S. Kerala Sahithya Charithram: Vol.1. Kerala University.
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