Brook, W. F. (1938). Social and economic history of Germany from William II to Hitler, 1888-1938: A comparative study by W.F. Bruck. Russell & Russeell.
Chicago-referens (17:e uppl.)Brook, Warner Frederick. Social and Economic History of Germany from William II to Hitler, 1888-1938: A Comparative Study by W.F. Bruck. New York: Russell & Russeell, 1938.
MLA-referens (9:e uppl.)Brook, Warner Frederick. Social and Economic History of Germany from William II to Hitler, 1888-1938: A Comparative Study by W.F. Bruck. Russell & Russeell, 1938.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.