APA
Building Research Establishment, . (1999). Removing internal loadbearing walls in older dwellings. London: Construction Research Communications Ltd.
Chicago
Building Research Establishment, . 1999. Removing internal loadbearing walls in older dwellings. London: Construction Research Communications Ltd.
Harvard
Building Research Establishment, . (1999). Removing internal loadbearing walls in older dwellings. London: Construction Research Communications Ltd.
MLA
Building Research Establishment, . Removing internal loadbearing walls in older dwellings. London: Construction Research Communications Ltd. 1999.