APA (7 वां संस्करण) प्रशस्ति पत्र

Obaidullah, A. (2001). Democracy and good governance: The role of ombudsman. Bangladesh Institute of Parliamentary Studies.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Obaidullah, A.T.M. Democracy and Good Governance: The Role of Ombudsman. Dhaka: Bangladesh Institute of Parliamentary Studies, 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Obaidullah, A.T.M. Democracy and Good Governance: The Role of Ombudsman. Bangladesh Institute of Parliamentary Studies, 2001.

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