Jopp, T. A. (2013). Insurance, fund size, and concentration: Prussian miners' Knappschaften in the nineteenth-- and early twentieth-centuries and their quest for optimal scale. Akademie Verlag.
芝加哥风格引文Jopp, Tobias Alexander. Insurance, Fund Size, and Concentration: Prussian Miners' Knappschaften in the Nineteenth-- and Early Twentieth-centuries and Their Quest for Optimal Scale. Berlin: Akademie Verlag, 2013.
MLA引文Jopp, Tobias Alexander. Insurance, Fund Size, and Concentration: Prussian Miners' Knappschaften in the Nineteenth-- and Early Twentieth-centuries and Their Quest for Optimal Scale. Akademie Verlag, 2013.
警告：这些引文格式不一定是100％准确.