University of Nebraska--Lincoln. Center for Great Plains Studies. (1991). Great Plains research. Center for Great Plains Studies, University of Nebraska.
Čikaški stil citiranja (17. izdanje)University of Nebraska--Lincoln. Center for Great Plains Studies. Great Plains Research. Lincoln, NE: Center for Great Plains Studies, University of Nebraska, 1991.
MLA način citiranja (8. izdanje)University of Nebraska--Lincoln. Center for Great Plains Studies. Great Plains Research. Center for Great Plains Studies, University of Nebraska, 1991.
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