एपीए उद्धरण

Prabhakaran Nayar, M. (1963). Valarthtujantupariraksanam. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Prabhakaran Nayar, M.S. Valarthtujantupariraksanam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1963.

एमएलए उद्धरण

Prabhakaran Nayar, M.S. Valarthtujantupariraksanam. Sahitya Pravarthaka Co-operative Society Ltd, 1963.