Gibbons, J. (1920). Pastoral letter of the archbishops and bishops of the United States assembled in conference at the Catholic University of America, September, 1919. Washington, D. C..
Style de citation Chicago (17e éd.)Gibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. Washington, D. C., 1920.
Style de citation MLA (8e éd.)Gibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. Washington, D. C., 1920.
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