Angress, W. T. (1957). Weimar coalition and Ruhr insurrection, March-April 1920: A study of government policy. The journal of modern history. - publ. in co-operation with the Modern European History Section of the American Historical Association.
Styl cytowania ChicagoAngress, Werner T. "Weimar Coalition and Ruhr Insurrection, March-April 1920: A Study of Government Policy." The Journal of Modern History. - Publ. in Co-operation with the Modern European History Section of the American Historical Association 1957.
Styl cytowania MLAAngress, Werner T. "Weimar Coalition and Ruhr Insurrection, March-April 1920: A Study of Government Policy." The Journal of Modern History. - Publ. in Co-operation with the Modern European History Section of the American Historical Association, 1957.