Drumm, W. M. (1943). Hospital chaplains: An historical synopsis and commentary. Catholic University of America Press.
Chicago-viite (17. p.)Drumm, William Martin. Hospital Chaplains: An Historical Synopsis and Commentary. Washington, D.C.: Catholic University of America Press, 1943.
MLA-viite (8. p.)Drumm, William Martin. Hospital Chaplains: An Historical Synopsis and Commentary. Catholic University of America Press, 1943.
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