TUYLL, H. P. van. Johan den Hertog, Samuël Kruizinga (eds.), Caught in the Middle: Neutrals, Neutrality and the First World War. BMGN - Low Countries Historical Review, [S. l.], v. 127, n. 4, p. review 93, 2012. DOI: 10.18352/bmgn-lchr.8210. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-109898. Acesso em: 20 apr. 2024.