Civilian Conservation Corps (U.S.). Company 1640. Hill billy. Company 1640.
Čikaški stil citiranja (17. izdanje)Civilian Conservation Corps (U.S.). Company 1640. Hill Billy. Equality, Ill.: Company 1640.
MLA način citiranja (8. izdanje)Civilian Conservation Corps (U.S.). Company 1640. Hill Billy. Company 1640.
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