एपीए उद्धरण

Valsalan Vathusserry. (1988). Marupuram. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Valsalan Vathusserry. Marupuram. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1988.

एमएलए उद्धरण

Valsalan Vathusserry. Marupuram. Sahitya Pravarthaka Co-operative Society Ltd, 1988.