Smith, E. T. (1929). A new approach to European history: Teacher's manual. University of Chicago Press.
Chicago-referens (17:e uppl.)Smith, Ernest Thomas. A New Approach to European History: Teacher's Manual. Chicago: University of Chicago Press, 1929.
MLA-referens (8:e uppl.)Smith, Ernest Thomas. A New Approach to European History: Teacher's Manual. University of Chicago Press, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.