Não informado. (2018). Report on the Illinois State Museum of Natural History. Phillips Bros., State Printers.
Čikaški stil citiranja (17. izdanje)Não informado. Report on the Illinois State Museum of Natural History. Springfield, Ill: Phillips Bros., State Printers, 2018.
MLA način citiranja (8. izdanje)Não informado. Report on the Illinois State Museum of Natural History. Phillips Bros., State Printers, 2018.
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