(2011). Skills and occupational needs in renewable energy 2011. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Skills and Occupational Needs in Renewable Energy 2011. International Labour Organization, 2011.
Citatione MLA (9a ed.)Skills and Occupational Needs in Renewable Energy 2011. International Labour Organization, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.