Lenz, P. A. (1955). A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLenz, Paul A. A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa., 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLenz, Paul A. A Pilgrimage to Loretto, A Booklet of Prayers and Description of the Shrines of Loretto, Pennsylvania. Altoona, Pa., 1955.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.