Trestrail, J. (1999). Illinois: The spirit of america. Harry N. Abrams.
Chicago-čujuhus (17. p.)Trestrail, Joanne. Illinois: The Spirit of America. New York: Harry N. Abrams, 1999.
MLA-čujuhus (9. p.)Trestrail, Joanne. Illinois: The Spirit of America. Harry N. Abrams, 1999.
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