Wills, G. (2002). Why I am a Catholic. Boston: Houghton Mifflin.
Trích dẫn kiểu ChicagoWills, Garry. Why I Am a Catholic. Boston: Houghton Mifflin, 2002.
MLA citiranjeWills, Garry. Why I Am a Catholic. Boston: Houghton Mifflin, 2002.
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