एपीए उद्धरण

Narayanan Kalppatta. (2017). Kavithayude jeevacharitram: Study (3rd.). Mathrubhumi.

शिकागो स्टाइल उद्धरण

Narayanan Kalppatta. Kavithayude Jeevacharitram: Study. 3rd. Kozhokode: Mathrubhumi, 2017.

एमएलए उद्धरण

Narayanan Kalppatta. Kavithayude Jeevacharitram: Study. 3rd. Mathrubhumi, 2017.