APA
Griggs J. C., Pitts N., Hall J., Shouler M. & Building Research Establishment. (1997). Water conservation : a guide for design of low-flush WCs. London: Construction Research Communications Ltd.
Chicago
Griggs J C, Pitts N.J, Hall J, Shouler M.C and Building Research Establishment. 1997. Water conservation : a guide for design of low-flush WCs. London: Construction Research Communications Ltd.
Harvard
Griggs J. C., Pitts N., Hall J., Shouler M. and Building Research Establishment. (1997). Water conservation : a guide for design of low-flush WCs. London: Construction Research Communications Ltd.
MLA
Griggs J C, Pitts N.J, Hall J, Shouler M.C and Building Research Establishment. Water conservation : a guide for design of low-flush WCs. London: Construction Research Communications Ltd. 1997.