Betten, F. S. (1921). Blessed Peter Canisius, born May 8, 1521: Foremost champion of the Church against protestantism in Germany. Central Bureau of the Central Society.
Čikaški stil citiranja (17. izdanje)Betten, Francis S. Blessed Peter Canisius, Born May 8, 1521: Foremost Champion of the Church Against Protestantism in Germany. St. Louis, MO.: Central Bureau of the Central Society, 1921.
MLA način citiranja (8. izdanje)Betten, Francis S. Blessed Peter Canisius, Born May 8, 1521: Foremost Champion of the Church Against Protestantism in Germany. Central Bureau of the Central Society, 1921.
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