Não informado. (2004). BRE news of timber research. Building Research Establishment.
Chicago-referens (17:e uppl.)Não informado. BRE News of Timber Research. Garston, Inglaterra: Building Research Establishment, 2004.
MLA-referens (8:e uppl.)Não informado. BRE News of Timber Research. Building Research Establishment, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.