KUITENBROUWER, M. D. Hellema, Buitenlandse politiek van Nederland. BMGN - Low Countries Historical Review, [S. l.], v. 111, n. 4, p. 528–530, 1996. DOI: 10.18352/bmgn-lchr.4350. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105022.. Acesso em: 21 nov. 2024.