एपीए उद्धरण

Sankarakkuruppu, G. (1973). Visvadarsanam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Sankarakkuruppu, G. Visvadarsanam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1973.

एमएलए उद्धरण

Sankarakkuruppu, G. Visvadarsanam. Sahitya Pravarthaka Co-operative Society Ltd, 1973.