Mortonson, M. S. (1966). Developing the Franciscan spirit through reading: A selective bibliographical index of seven Franciscan periodicals, 1940-1965.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMortonson, Mary Sheila. Developing the Franciscan Spirit Through Reading: A Selective Bibliographical Index of Seven Franciscan Periodicals, 1940-1965. 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMortonson, Mary Sheila. Developing the Franciscan Spirit Through Reading: A Selective Bibliographical Index of Seven Franciscan Periodicals, 1940-1965. 1966.
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