WIJFJES, H. Perspectief in persgeschiedenis. BMGN - Low Countries Historical Review, [S. l.], v. 114, n. 2, p. 223–235, 1999. DOI: 10.18352/bmgn-lchr.4949. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105676. Acesso em: 28 mar. 2024.