Vance, R. B. (1929). Human factors in cotton culture: A study in the social geography of the American South. The Uniersity of North Carolina press.
Chicago-referens (17:e uppl.)Vance, Robert Bayless. Human Factors in Cotton Culture: A Study in the Social Geography of the American South. Chapel Hill: The Uniersity of North Carolina press, 1929.
MLA-referens (8:e uppl.)Vance, Robert Bayless. Human Factors in Cotton Culture: A Study in the Social Geography of the American South. The Uniersity of North Carolina press, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.