HENNEPE, M. te. Mayke Groffen, Lekker fris! Honderd jaar gezondheid, schoonheid en fatsoen. BMGN - Low Countries Historical Review, [S. l.], v. 125, n. 4, 2010. DOI: 10.18352/bmgn-lchr.7174. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108222. Acesso em: 28 mar. 2024.