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