Graebner, W. (1976). Coal-mining safety in the progressive period: The political economy of reform. The University Press of Kentucky.
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Chicago Style (17th ed.) Citation
Graebner, William. Coal-mining Safety in the Progressive Period: The Political Economy of Reform. Lexington, Kentucky: The University Press of Kentucky, 1976.
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MLA引文
Graebner, William. Coal-mining Safety in the Progressive Period: The Political Economy of Reform. The University Press of Kentucky, 1976.
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警告：這些引文格式不一定是100％准確.