Citace podle APA (7th ed.)

Pius, P. C. C. P. (1932). Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C..

Citace podle Chicago (17th ed.)

Pius, Pope; Catholic Church. Pope. Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C., 1932.

Citace podle MLA (8th ed.)

Pius, Pope; Catholic Church. Pope. Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C., 1932.

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