International Labour Office, Skills and Employability Department. (2011). Skills and occupational needs in renewable energy. International Labour Office.
Chicago-viite (17. p.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. Geneva: International Labour Office, 2011.
MLA-viite (9. p.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. International Labour Office, 2011.
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