Härle, W. (2011). Ethik. De Gruyter. https://doi.org/10.1515/9783110245882
芝加哥风格引文Härle, Wilfried. Ethik. Berlin [u.a.]: De Gruyter, 2011. https://doi.org/10.1515/9783110245882.
MLA引文Härle, Wilfried. Ethik. De Gruyter, 2011. https://doi.org/10.1515/9783110245882.
警告：这些引文格式不一定是100％准确.