एपीए उद्धरण

Vasanthan, S. K. (1983). Kerala charithra nighandu (m). Sahithya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Vasanthan, S K. Kerala Charithra Nighandu (m). Kottayam: Sahithya Pravarthaka Co-operative Society Ltd, 1983.

एमएलए उद्धरण

Vasanthan, S K. Kerala Charithra Nighandu (m). Sahithya Pravarthaka Co-operative Society Ltd, 1983.