APA-referens (7:e uppl.)

Gates, P. W. (1934). The Illinois central railroad and its colonization work. Harvard University Press.

Chicago-referens (17:e uppl.)

Gates, Paul Wallace. The Illinois Central Railroad and Its Colonization Work. Cambridge: Harvard University Press, 1934.

MLA-referens (9:e uppl.)

Gates, Paul Wallace. The Illinois Central Railroad and Its Colonization Work. Harvard University Press, 1934.

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