Francois, M., & Shafer, B. C. (1968). Historical study in the west: France, Great Britain, Western Germany, the United States. Appleton-Century-Crofts.
Chicago-referens (17:e uppl.)Francois, Michel, och Boyd C. Shafer. Historical Study in the West: France, Great Britain, Western Germany, the United States. New York: Appleton-Century-Crofts, 1968.
MLA-referens (8:e uppl.)Francois, Michel, och Boyd C. Shafer. Historical Study in the West: France, Great Britain, Western Germany, the United States. Appleton-Century-Crofts, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.