Não informado. (1911). Engineering Experiment Station bulletin. Ohio Engineering Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Engineering Experiment Station Bulletin. Columbus, Ohio: Ohio Engineering Experiment Station, 1911.
MLA(8版)引用形式Não informado. Engineering Experiment Station Bulletin. Ohio Engineering Experiment Station, 1911.
警告: この引用は必ずしも正確ではありません.