ഉണ്ണികൃഷ്ണന് പുതൂര് & Unnikrishnan Puthoor. (1962). സ്നേഹാദരങ്ങളോടെ (1st.). Sahitya Pravarthaka Co-operative Society Ltd.
Trích dẫn kiểu Chicagoഉണ്ണികൃഷ്ണന് പുതൂര് và Unnikrishnan Puthoor. സ്നേഹാദരങ്ങളോടെ. 1st. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1962.
Trích dẫn MLAഉണ്ണികൃഷ്ണന് പുതൂര് và Unnikrishnan Puthoor. സ്നേഹാദരങ്ങളോടെ. 1st. Sahitya Pravarthaka Co-operative Society Ltd, 1962.
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