APA
John R., Willis S. & Salvidge A. (1990). The BRE low-energy office : an assessment of electric heating. Garston,Watford: Building Research Establishment.
Chicago
John R.W, Willis S.T.P and Salvidge A.C. 1990. The BRE low-energy office : an assessment of electric heating. Garston,Watford: Building Research Establishment.
Harvard
John R., Willis S. and Salvidge A. (1990). The BRE low-energy office : an assessment of electric heating. Garston,Watford: Building Research Establishment.
MLA
John R.W, Willis S.T.P and Salvidge A.C. The BRE low-energy office : an assessment of electric heating. Garston,Watford: Building Research Establishment. 1990.