(2023). Harmonized minimum occupational standards for plumbing: Ghana, Nigeria and Togo. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Harmonized Minimum Occupational Standards for Plumbing: Ghana, Nigeria and Togo. International Labour Organization, 2023.
Citatione MLA (9a ed.)Harmonized Minimum Occupational Standards for Plumbing: Ghana, Nigeria and Togo. International Labour Organization, 2023.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.