APA-viite (7. p.)
Lam, J. C. Q. (2013). Joseph Ratzinger's theological retractations (First edition.). Peter Lang.
Chicago-viite (17. p.)
Lam, Joseph C. Quy. Joseph Ratzinger's Theological Retractations. First edition. New York: Peter Lang, 2013.
MLA-viite (9. p.)
Lam, Joseph C. Quy. Joseph Ratzinger's Theological Retractations. First edition. Peter Lang, 2013.
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