APA
Department of Energy, . (1987). Energy efficiency its marketability in commercial properties, Queen Elizabeth Conference Centre , 27th November 1987: speakers papers. London: .
Chicago
Department of Energy, . 1987. Energy efficiency its marketability in commercial properties, Queen Elizabeth Conference Centre , 27th November 1987: speakers papers. London: .
Harvard
Department of Energy, . (1987). Energy efficiency its marketability in commercial properties, Queen Elizabeth Conference Centre , 27th November 1987: speakers papers. London: .
MLA
Department of Energy, . Energy efficiency its marketability in commercial properties, Queen Elizabeth Conference Centre , 27th November 1987: speakers papers. London: . 1987.