International Labour Office, Skills and Employability Department. (2011). Skills and occupational needs in renewable energy. International Labour Office.
Cita Chicago (17th ed.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. Geneva: International Labour Office, 2011.
Cita MLA (9th ed.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. International Labour Office, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.