APA (7 वां संस्करण) प्रशस्ति पत्र

Barkat, A., & Barkat, A. (2007). Charland in Bangladesh: Political economy of ignored resource. HDRC/Pathak Shamabesh.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barkat, Abul, और Abul;Khan Barkat. Charland in Bangladesh: Political Economy of Ignored Resource. HDRC/Pathak Shamabesh, 2007.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Barkat, Abul, और Abul;Khan Barkat. Charland in Bangladesh: Political Economy of Ignored Resource. HDRC/Pathak Shamabesh, 2007.

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