APA (7 वां संस्करण) प्रशस्ति पत्र

Sultan, M. M. (1975). Bench-mark survey of Kotwali and Sherpur Thana of Bogra District. Regional Academy for Rural Development.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sultan, Manzurul Mahmood. Bench-mark Survey of Kotwali and Sherpur Thana of Bogra District. Bogra: Regional Academy for Rural Development, 1975.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Sultan, Manzurul Mahmood. Bench-mark Survey of Kotwali and Sherpur Thana of Bogra District. Regional Academy for Rural Development, 1975.

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