एपीए उद्धरण

Varkey, P. (1999). Thoolika chitrangal. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Varkey, Ponkunnam. Thoolika Chitrangal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1999.

एमएलए उद्धरण

Varkey, Ponkunnam. Thoolika Chitrangal. Sahitya Pravarthaka Co-operative Society Ltd, 1999.