APA
Building Research Establishment, . (1987). Suspended timber floors: notching and drilling of joists. Garston,Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1987. Suspended timber floors: notching and drilling of joists. Garston,Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1987). Suspended timber floors: notching and drilling of joists. Garston,Watford: Building Research Establishment.
MLA
Building Research Establishment, . Suspended timber floors: notching and drilling of joists. Garston,Watford: Building Research Establishment. 1987.