ebrary, Inc, Langlet, B., & Monnoyer, J. (2009). Gustav Bergmann: Phenomenological realism and dialectical ontology. Ontos Verlag.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, Bruno Langlet, i Jean-Maurice Monnoyer. Gustav Bergmann: Phenomenological Realism and Dialectical Ontology. Frankfurt: Ontos Verlag, 2009.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. Gustav Bergmann: Phenomenological Realism and Dialectical Ontology. Ontos Verlag, 2009.
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