एपीए उद्धरण

Balakrishnapilla, U. (1961). Asokan. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Balakrishnapilla, Umayanalluru. Asokan. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1961.

एमएलए उद्धरण

Balakrishnapilla, Umayanalluru. Asokan. Sahitya Pravarthaka Co-operative Society Ltd, 1961.