APA
Davidson P., Webster C., . (1983). Water economy with the Skevington/BRE controlled-flush for WCs. Garston, Watford: Building Research Establishment.
Chicago
Davidson P.J, Webster C.J.D, . 1983. Water economy with the Skevington/BRE controlled-flush for WCs. Garston, Watford: Building Research Establishment.
Harvard
Davidson P., Webster C., . (1983). Water economy with the Skevington/BRE controlled-flush for WCs. Garston, Watford: Building Research Establishment.
MLA
Davidson P.J, Webster C.J.D, . Water economy with the Skevington/BRE controlled-flush for WCs. Garston, Watford: Building Research Establishment. 1983.