- How were Donald Trump’s tariffs calculated? BBC
- Live updates: Trump unveils tariffs, administration news | CNN Politics CNN
- Auto giants surprisingly resilient as sweeping U.S. tariffs spare Canada and Mexico for now CNBC
- Trump stokes trade war as world reels from tariff shock Reuters
- Regulating Imports with a Reciprocal Tariff to Rectify Trade Practices that Contribute to Large and Persistent Annual United States Goods Trade Deficits The White House (.gov)