International Labour Office, Skills and Employability Department. (2011). Skills and occupational needs in renewable energy. International Labour Office.
Citace podle Chicago (17th ed.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. Geneva: International Labour Office, 2011.
Citace podle MLA (9th ed.)International Labour Office, Skills and Employability Department. Skills and Occupational Needs in Renewable Energy. International Labour Office, 2011.
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