एपीए उद्धरण

Pilla, G. (1973). Keralaa Sahakaranasangha Aktum Cattannalum. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Pilla, G.R. Keralaa Sahakaranasangha Aktum Cattannalum. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1973.

एमएलए उद्धरण

Pilla, G.R. Keralaa Sahakaranasangha Aktum Cattannalum. Sahitya Pravarthaka Co-operative Society Ltd, 1973.