International Labour Office, Skills and Employability Department. (2011). Skills and occupational needs in renewable energy. International Labour Office.
Chicago-referens (17:e uppl.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. Geneva: International Labour Office, 2011.
MLA-referens (9:e uppl.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. International Labour Office, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.