एपीए उद्धरण

Gopalan, A. K. (1973). Ente Videshayathrakal. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

Gopalan, A. K. Ente Videshayathrakal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1973.

एमएलए उद्धरण

Gopalan, A. K. Ente Videshayathrakal. Sahitya Pravarthaka Co-operative Society Ltd, 1973.