G20

https://www.g20.org/wp-content/uploads/2021/10/G20-ROME-LEADERS-DECLARATION.pdf

https://it.euronews.com/2021/10/31/g20-ue-usa-fine-della-guerra-dei-dazi-seppelita-l-era-trump

https://www.agi.it/economia/news/2021-10-31/guerra-acciaio-finita-cadono-dazi-usa-ue-14392630/

https://www.g20.org/

https://www.edie.net/news/11/G20--What-was--and-wasn-t--agreed-by-world-leaders-on-the-eve-of-COP26/