Harder. (2013). Alkaline-Earth Metal Compounds (1.). Springer Berlin Heidelberg.
芝加哥风格引文Harder. Alkaline-Earth Metal Compounds. 1. Springer Berlin Heidelberg, 2013.
MLA引文Harder. Alkaline-Earth Metal Compounds. 1. Springer Berlin Heidelberg, 2013.
警告：这些引文格式不一定是100％准确.