Arrupe, P., & Aixala, J. (1979). Challenge to religious life today (2d ed.). Institute of Jesuit Sources ; Gujarat Sahitya Prakash.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArrupe, Pedro, और Jerome Aixala. Challenge to Religious Life Today. 2d ed. St. Louis : Anand, India: Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArrupe, Pedro, और Jerome Aixala. Challenge to Religious Life Today. 2d ed. Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.
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