एपीए उद्धरण

Vasu, E. (1999). Purampokku. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Vasu, E. Purampokku. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1999.

एमएलए उद्धरण

Vasu, E. Purampokku. Sahitya Pravarthaka Co-operative Society Ltd, 1999.