Fase, M.M.G. “R.T. Griffiths, The Netherlands and the Integration of Europe 1945-1957”. BMGN - Low Countries Historical Review 107, no. 1 (January 1, 1992): 162–163. Accessed May 3, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103981.