ebrary, Inc, & Cumpa, J. (2010). Studies in the ontology of Reinhardt Grossmann. Ontos Verlag.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Javier Cumpa. Studies in the Ontology of Reinhardt Grossmann. Frankfurt ; New Brunswick: Ontos Verlag, 2010.
MLA način citiranja (9. izdanje)ebrary, Inc, i Javier Cumpa. Studies in the Ontology of Reinhardt Grossmann. Ontos Verlag, 2010.
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