एपीए उद्धरण

Sreekantan Karikkakom. (2013). Nagarathile sambarkalangal. Sahithay Pravarthaka Co-operative Society.

शिकागो स्टाइल उद्धरण

Sreekantan Karikkakom. Nagarathile Sambarkalangal. Kottayam: Sahithay Pravarthaka Co-operative Society, 2013.

एमएलए उद्धरण

Sreekantan Karikkakom. Nagarathile Sambarkalangal. Sahithay Pravarthaka Co-operative Society, 2013.