Koren, H. J. (1990). Essays on the Spiritan charism and on Spiritan history. Spiritus Press.
Čikaški stil citiranja (17. izdanje)Koren, Henry J. Essays on the Spiritan Charism and on Spiritan History. Bethel Park, Pa.: Spiritus Press, 1990.
MLA način citiranja (8. izdanje)Koren, Henry J. Essays on the Spiritan Charism and on Spiritan History. Spiritus Press, 1990.
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