P.A.M. Geurts, F.A.M. Messing, Economische ontwikkeling en sociale emancipatie. 18 opstellen over economische en sociale geschiedenis in twee delen. BMGN - Low Countries Historical Review, [S. l.], v. 94, n. 1, p. 99–100, 1979. DOI: 10.18352/bmgn-lchr.2073. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102247.. Acesso em: 2 jul. 2024.