“Wibo Bakker, Droom Van Helderheid. Huisstijlen, Ontwerpbureaus En Modernisme in Nederland, 1960-1975”. BMGN - Low Countries Historical Review 128, no. 3 (September 17, 2013): review 55. Accessed September 30, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-109973.