Pontificia università della Santa Croce, Hayward, P., & Hayward, P. A. (2009). Studies on the prelature of Opus Dei: On the twenty-fifth anniversary of the apostolic constitution Ut sit. Wilson & Lafleur.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pontificia università della Santa Croce, Paul Hayward, και Paul Antony Hayward. Studies on the Prelature of Opus Dei: On the Twenty-fifth Anniversary of the Apostolic Constitution Ut Sit. Montréal (Québec): Wilson & Lafleur, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Pontificia università della Santa Croce, et al. Studies on the Prelature of Opus Dei: On the Twenty-fifth Anniversary of the Apostolic Constitution Ut Sit. Wilson & Lafleur, 2009.
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