DAHL PEDERSEN, Vagn. Vagn Dahl Pedersen: Et internationalt systems sammenbrud, forholdet mellem magterne 1870-1940. Politica, [S. l.], v. 2, n. 6, p. 52, 1969. DOI: 10.7146/politica.v2i6.67064. Disponível em: https://tidsskrift.dk/politica/article/view/67064. Acesso em: 6 dec. 2025.