Ekberg, C. J. (2002). François Vallé and his world: Upper Louisiana before Lewis and Clark. University of Missouri Press.
Chicago-referens (17:e uppl.)Ekberg, Carl J. François Vallé and His World: Upper Louisiana Before Lewis and Clark. Columbia, MO: University of Missouri Press, 2002.
MLA-referens (9:e uppl.)Ekberg, Carl J. François Vallé and His World: Upper Louisiana Before Lewis and Clark. University of Missouri Press, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.