एपीए उद्धरण

Unnikrishnan Puthoor. (1970). Kuttasammatam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Unnikrishnan Puthoor. Kuttasammatam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1970.

एमएलए उद्धरण

Unnikrishnan Puthoor. Kuttasammatam. Sahitya Pravarthaka Co-operative Society Ltd, 1970.