APA
Building Research Establishment, . (1992). Flat roof design: waterproof membranes. Garston, Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1992. Flat roof design: waterproof membranes. Garston, Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1992). Flat roof design: waterproof membranes. Garston, Watford: Building Research Establishment.
MLA
Building Research Establishment, . Flat roof design: waterproof membranes. Garston, Watford: Building Research Establishment. 1992.