APA (7. basım) Alıntı
Hammond, J. H. (1949). José María Roa Bárcena: Mexican Writer and Champion of Catholicism.
Chicago Style (17. basım) Atıf
Hammond, John Hays. José María Roa Bárcena: Mexican Writer and Champion of Catholicism. 1949.
MLA (9th ed.) Atıf
Hammond, John Hays. José María Roa Bárcena: Mexican Writer and Champion of Catholicism. 1949.
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