Unithiri, N. (2012). Vallatholkkavitha. Sahitya pravarthaka co-operative society.
シカゴスタイル引用形Unithiri, N.V.P. Vallatholkkavitha. Kottayam: Sahitya pravarthaka co-operative society, 2012.
MLA引用形式Unithiri, N.V.P. Vallatholkkavitha. Sahitya pravarthaka co-operative society, 2012.
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