Radhakrishnan, S. (1992). Verpatukalute Viralppatukal. Sahitya Pravarthaka Co-operative Society Ltd.
シカゴスタイル引用形Radhakrishnan, S. Verpatukalute Viralppatukal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1992.
MLA引用形式Radhakrishnan, S. Verpatukalute Viralppatukal. Sahitya Pravarthaka Co-operative Society Ltd, 1992.
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