Não informado. (1911). Engineering Experiment Station bulletin. Ohio Engineering Experiment Station.
Čikaški stil citiranja (17. izdanje)Não informado. Engineering Experiment Station Bulletin. Columbus, Ohio: Ohio Engineering Experiment Station, 1911.
MLA način citiranja (8. izdanje)Não informado. Engineering Experiment Station Bulletin. Ohio Engineering Experiment Station, 1911.
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