Não informado. (2021). Building Sustainable Design. UBM Built Environment.
Chicago-referens (17:e uppl.)Não informado. Building Sustainable Design. London: UBM Built Environment, 2021.
MLA-referens (8:e uppl.)Não informado. Building Sustainable Design. UBM Built Environment, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.