एपीए उद्धरण

Krsnavariyar.P.V. (1960). Vijnanamandalam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Krsnavariyar.P.V. Vijnanamandalam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1960.

एमएलए उद्धरण

Krsnavariyar.P.V. Vijnanamandalam. Sahitya Pravarthaka Co-operative Society Ltd, 1960.