APA
Building Research Establishment, . (1999). Roof loads due to local drifting of snow. Watford: CRC Ltd.
Chicago
Building Research Establishment, . 1999. Roof loads due to local drifting of snow. Watford: CRC Ltd.
Harvard
Building Research Establishment, . (1999). Roof loads due to local drifting of snow. Watford: CRC Ltd.
MLA
Building Research Establishment, . Roof loads due to local drifting of snow. Watford: CRC Ltd. 1999.