ĐORĐEVIĆ, M. IN MEMORIAM: Na vest o smrti Ulricha Engela / Notice of a Death. Journal of the Faculty of Philosophy in Sarajevo / Radovi Filozofskog fakulteta u Sarajevu, ISSN 2303-6990 on-line, [S. l.], n. 23, p. 347–352, 2020. DOI: 10.46352/23036990.2020.347. Disponível em: https://ff.unsa.ba/subds/ejournals/index.php/radovi/article/view/111. Acesso em: 10 may. 2024.