Padberg, J. W. (1978). Personal experience and the Spiritual Exercises: The example of St. Ignatius. American Assistancy Seminar.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPadberg, John W. Personal Experience and the Spiritual Exercises: The Example of St. Ignatius. St. Louis: American Assistancy Seminar, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPadberg, John W. Personal Experience and the Spiritual Exercises: The Example of St. Ignatius. American Assistancy Seminar, 1978.
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