News, 28 ноември 2012. Population Clock // Central Agency for Public Mobilization and Statistics, 27 април 2013. Посетен на 27 април 2013. The limits of...
978-3-486-55972-9. Chickering, R., Förster, S. Great War, Total War, Combat and Mobilization on the Western Front 1914 – 1918. Cambridge University Press. London...