Body), I. L. O. (. (2020). COVID-19 and civil aviation. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Body), International Labour Organization (Issuing. COVID-19 and Civil Aviation. International Labour Organization, 2020.
Citatione MLA (9a ed.)Body), International Labour Organization (Issuing. COVID-19 and Civil Aviation. International Labour Organization, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.