HEAD, R. C. Ulrich Pfister, Konfessionskirchen, Glaubenspraxis und Konflikt in Graubünden, 2012. Zwingliana, [S. l.], v. 40, p. 231–236, 2013. Disponível em: https://www.zwingliana.ch/index.php/zwa/article/view/2403. Acesso em: 26 sep. 2022.