O'Brien, W. J. (1991). The labor of God: An Ignatian view of church and culture. Georgetown University Press.
Citace podle Chicago (17th ed.)O'Brien, Willaim James. The Labor of God: An Ignatian View of Church and Culture. Washington, D.C.: Georgetown University Press, 1991.
Citace podle MLA (8th ed.)O'Brien, Willaim James. The Labor of God: An Ignatian View of Church and Culture. Georgetown University Press, 1991.
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