Unknown. (2023). Three metres standard truss for medium weight roof type 'W'. Manger of Publications.
Chicago-referens (17:e uppl.)Unknown. Three Metres Standard Truss for Medium Weight Roof Type 'W'. Manger of Publications, 2023.
MLA-referens (9:e uppl.)Unknown. Three Metres Standard Truss for Medium Weight Roof Type 'W'. Manger of Publications, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.