APA
United Kingdom, . (1971). Third National Building Maintenance Conference: papers. Sponsored jointly by the DOE and the journal Building Maintenance ... held at the Royal Garden Hotel, London on 2nd, 3rd and 4th November 1971. London: Department of the Environment.
Chicago
United Kingdom, . 1971. Third National Building Maintenance Conference: papers. Sponsored jointly by the DOE and the journal Building Maintenance ... held at the Royal Garden Hotel, London on 2nd, 3rd and 4th November 1971. London: Department of the Environment.
Harvard
United Kingdom, . (1971). Third National Building Maintenance Conference: papers. Sponsored jointly by the DOE and the journal Building Maintenance ... held at the Royal Garden Hotel, London on 2nd, 3rd and 4th November 1971. London: Department of the Environment.
MLA
United Kingdom, . Third National Building Maintenance Conference: papers. Sponsored jointly by the DOE and the journal Building Maintenance ... held at the Royal Garden Hotel, London on 2nd, 3rd and 4th November 1971. London: Department of the Environment. 1971.
