APA
Building Research Establishment, . (1988). Slated and tiled pitched roofs: flashings and cavity trays for step and stagger layouts: specification. Garston,Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1988. Slated and tiled pitched roofs: flashings and cavity trays for step and stagger layouts: specification. Garston,Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1988). Slated and tiled pitched roofs: flashings and cavity trays for step and stagger layouts: specification. Garston,Watford: Building Research Establishment.
MLA
Building Research Establishment, . Slated and tiled pitched roofs: flashings and cavity trays for step and stagger layouts: specification. Garston,Watford: Building Research Establishment. 1988.