Leo XIII, P. C. C. P. (1884). On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia.
Chicago Style aipamenaLeo XIII, Pope; Catholic Church. Pope. On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia, 1884.
MLA aipamenaLeo XIII, Pope; Catholic Church. Pope. On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia, 1884.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.