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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Government, Great Britain. Ministry of Housing and Local, ба Great Britain. Ministry of Housing and Local Government. Preservation of Historic Buildings and Areas. London : Her Majesty's Stationery Office, 1969.
MLA -ийн эшлэл (9 дэх хэвлэлт)Government, Great Britain. Ministry of Housing and Local, ба Great Britain. Ministry of Housing and Local Government. Preservation of Historic Buildings and Areas. London : Her Majesty's Stationery Office, 1969.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.