Lenz, P. A. (1955). A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa..
Chicago Style (17. basım) AtıfLenz, Paul A. A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa., 1955.
MLA (8th ed.) AtıfLenz, Paul A. A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa., 1955.
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