HEPBURN, P. Britain and the Question of Yugoslav Neutrality 1930–1937. Balcanica - Annual of the Institute for Balkan Studies, [S. l.], n. XVIII-XIX, p. 267–295, 1988. Disponível em: https://balcanica.rs/index.php/journal/article/view/1023. Acesso em: 30 jun. 2024.