Anderson, E. (1945). Hammer or anvil: The story of the German working-class movement. Oriole Editions.
Chicago-referens (17:e uppl.)Anderson, Evelyn. Hammer or Anvil: The Story of the German Working-class Movement. New York: Oriole Editions, 1945.
MLA-referens (8:e uppl.)Anderson, Evelyn. Hammer or Anvil: The Story of the German Working-class Movement. Oriole Editions, 1945.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.