APA (7 वां संस्करण) प्रशस्ति पत्र

Barkat, A. (2007). Charland in Bangladesh: Political economy of ignored resources. Pathak Samabesh.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barkat, Abul. Charland in Bangladesh: Political Economy of Ignored Resources. Dhaka: Pathak Samabesh, 2007.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Barkat, Abul. Charland in Bangladesh: Political Economy of Ignored Resources. Pathak Samabesh, 2007.