एपीए उद्धरण

Bhattatrippatu. (1970). Vetivattam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Bhattatrippatu. Vetivattam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1970.

एमएलए उद्धरण

Bhattatrippatu. Vetivattam. Sahitya Pravarthaka Co-operative Society Ltd, 1970.