APA
Building Research Establishment, . (1987). Cavity parapets: installation of copings, dpcs, trays and flashings. Garston, Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1987. Cavity parapets: installation of copings, dpcs, trays and flashings. Garston, Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1987). Cavity parapets: installation of copings, dpcs, trays and flashings. Garston, Watford: Building Research Establishment.
MLA
Building Research Establishment, . Cavity parapets: installation of copings, dpcs, trays and flashings. Garston, Watford: Building Research Establishment. 1987.