APA
Building Research Establishment, . (1981). Strength of brickwork and blockwork walls: design for vertical load. Garston, Watford: Building Research Establishment.
Chicago
Building Research Establishment, . 1981. Strength of brickwork and blockwork walls: design for vertical load. Garston, Watford: Building Research Establishment.
Harvard
Building Research Establishment, . (1981). Strength of brickwork and blockwork walls: design for vertical load. Garston, Watford: Building Research Establishment.
MLA
Building Research Establishment, . Strength of brickwork and blockwork walls: design for vertical load. Garston, Watford: Building Research Establishment. 1981.