da Vinha, Luis. “Managing an ‘America First’ Strategy: Donald Trump’s Transition from a Private to a Public Executive”. Political Observer | Revista Portuguesa de Ciência Política (Portuguese Journal of Political Science), no. 10 (March 13, 2019): 13–43. Accessed October 27, 2025. https://rpcp.pt/index.php/rpcp/article/view/11.