APA
Building Research Establishment, . (1981). Sanitary pipework. Part 1: design basis. Garston, Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1981. Sanitary pipework. Part 1: design basis. Garston, Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1981). Sanitary pipework. Part 1: design basis. Garston, Watford: Building Research Establishment.
MLA
Building Research Establishment, . Sanitary pipework. Part 1: design basis. Garston, Watford: Building Research Establishment. 1981.