एपीए उद्धरण

Bhaskkarannayar. K. (1970). Upaharam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Bhaskkarannayar. K. Upaharam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1970.

एमएलए उद्धरण

Bhaskkarannayar. K. Upaharam. Sahitya Pravarthaka Co-operative Society Ltd, 1970.