Federal Writer's Project. (1985). Eureka 1887-1937 (2. Auflage.). Eureka's Golden Julilee Organization.
Čikaški stil citiranja (17. izdanje)Federal Writer's Project. Eureka 1887-1937. 2. Auflage. Eureka, South Dakota: Eureka's Golden Julilee Organization, 1985.
MLA način citiranja (8. izdanje)Federal Writer's Project. Eureka 1887-1937. 2. Auflage. Eureka's Golden Julilee Organization, 1985.
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