ebrary, Inc, Feest, U., & Steinle, F. (2012). Scientific concepts and investigative practice. De Gruyter Mouton.
芝加哥风格引文ebrary, Inc, Uljana Feest, 与 Friedrich Steinle. Scientific Concepts and Investigative Practice. Berlin ; Boston: De Gruyter Mouton, 2012.
MLA引文ebrary, Inc, et al. Scientific Concepts and Investigative Practice. De Gruyter Mouton, 2012.
警告：这些引文格式不一定是100％准确.