एपीए उद्धरण

Kottayattutampuran. (1973). Nivatakavacakalakeyavadham. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Kottayattutampuran. Nivatakavacakalakeyavadham. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1973.

एमएलए उद्धरण

Kottayattutampuran. Nivatakavacakalakeyavadham. Sahitya Pravarthaka Co-operative Society Ltd, 1973.