(2011). Skills and occupational needs in green building. International Labour Office.
Chicago-referens (17:e uppl.)Skills and Occupational Needs in Green Building. Geneva: International Labour Office, 2011.
MLA-referens (9:e uppl.)Skills and Occupational Needs in Green Building. International Labour Office, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.