APA
Building Research Establishment, . (1987). Dual-pitched roofs: trussed rafters: specification of remedial gussets. Garston,Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1987. Dual-pitched roofs: trussed rafters: specification of remedial gussets. Garston,Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1987). Dual-pitched roofs: trussed rafters: specification of remedial gussets. Garston,Watford: Building Research Establishment.
MLA
Building Research Establishment, . Dual-pitched roofs: trussed rafters: specification of remedial gussets. Garston,Watford: Building Research Establishment. 1987.