ebrary, Inc, Langlet, B., & Monnoyer, J. (2009). Gustav Bergmann: Phenomenological realism and dialectical ontology. Ontos Verlag.
芝加哥风格引文ebrary, Inc, Bruno Langlet, 与 Jean-Maurice Monnoyer. Gustav Bergmann: Phenomenological Realism and Dialectical Ontology. Frankfurt: Ontos Verlag, 2009.
MLA引文ebrary, Inc, et al. Gustav Bergmann: Phenomenological Realism and Dialectical Ontology. Ontos Verlag, 2009.
警告：这些引文格式不一定是100％准确.