M.G.J. Duijvendak e.a. (eds.), Geschiedenis van Groningen, I, II en III. BMGN - Low Countries Historical Review, [S. l.], v. 126, n. 1, p. 70–72, 2011. DOI: 10.18352/bmgn-lchr.7220. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108253.. Acesso em: 18 jul. 2024.