ebrary, Inc, & Esfeld, M. (2006). John Heil: Symposium on his ontological point of view. Ontos Verlag.
芝加哥风格引文ebrary, Inc, 与 Michael Esfeld. John Heil: Symposium on His Ontological Point of View. Frankfurt: Ontos Verlag, 2006.
MLA引文ebrary, Inc, 与 Michael Esfeld. John Heil: Symposium on His Ontological Point of View. Ontos Verlag, 2006.
警告：这些引文格式不一定是100％准确.