Ekberg, C. J. (2002). François Vallé and his world: Upper Louisiana before Lewis and Clark. University of Missouri Press.
Citace podle Chicago (17th ed.)Ekberg, Carl J. François Vallé and His World: Upper Louisiana Before Lewis and Clark. Columbia, MO: University of Missouri Press, 2002.
Citace podle MLA (9th ed.)Ekberg, Carl J. François Vallé and His World: Upper Louisiana Before Lewis and Clark. University of Missouri Press, 2002.
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