APA (7 वां संस्करण) प्रशस्ति पत्र

Government, G. B. M. o. H. a. L., & Government, G. B. M. o. H. a. L. (1969). Preservation of historic buildings and areas. London : Her Majesty's Stationery Office.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Government, Great Britain. Ministry of Housing and Local, और Great Britain. Ministry of Housing and Local Government. Preservation of Historic Buildings and Areas. London : Her Majesty's Stationery Office, 1969.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Government, Great Britain. Ministry of Housing and Local, और Great Britain. Ministry of Housing and Local Government. Preservation of Historic Buildings and Areas. London : Her Majesty's Stationery Office, 1969.

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