RZEPECKA, Marta. President Barack Obama’s Policy Choices in NATO Rhetoric. Political Preferences, [S. l.], n. 25, p. 21–36, 2020. DOI: 10.31261/polpre.2019.25.21-36. Disponível em: https://journals.us.edu.pl/index.php/PP/article/view/7588. Acesso em: 31 jan. 2026.