J. Barendregt, T. Langenhuyzen, Ondernemend in risico. Bedrijfsgeschiedenis van Nationale-Nederlanden 1845-1995. BMGN - Low Countries Historical Review, [S. l.], v. 112, n. 2, p. 284–285, 1997. DOI: 10.18352/bmgn-lchr.4484. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105170.. Acesso em: 23 nov. 2024.