ebrary, Inc, & Boileau, D. A. (1998). Principles of Catholic social teaching. Marquette University Press.
Chicago-viite (17. p.)ebrary, Inc, ja David A. Boileau. Principles of Catholic Social Teaching. Milwaukee, Wis.: Marquette University Press, 1998.
MLA-viite (9. p.)ebrary, Inc, ja David A. Boileau. Principles of Catholic Social Teaching. Marquette University Press, 1998.
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