Benedikt XVI. Papst. (2007). Apostolic Letter Summorum Pontificum issued Motu Proprio. Studies in church law, 3, 17-21.
Cita Chicago Style (17a ed.)Benedikt XVI. Papst. "Apostolic Letter Summorum Pontificum Issued Motu Proprio." Studies in Church Law 3 (2007): 17-21.
Cita MLA (9a ed.)Benedikt XVI. Papst. "Apostolic Letter Summorum Pontificum Issued Motu Proprio." Studies in Church Law, vol. 3, 2007, pp. 17-21.
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