एपीए उद्धरण

Sukumar. (1980). Kasayam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Sukumar. Kasayam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1980.

एमएलए उद्धरण

Sukumar. Kasayam. Sahitya Pravarthaka Co-operative Society Ltd, 1980.