एपीए उद्धरण

Radhakrishnan, S. (1992). Verpatukalute Viralppatukal. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Radhakrishnan, S. Verpatukalute Viralppatukal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1992.

एमएलए उद्धरण

Radhakrishnan, S. Verpatukalute Viralppatukal. Sahitya Pravarthaka Co-operative Society Ltd, 1992.