Arrupe, P., & Aixala, J. (1979). Challenge to religious life today (2d ed.). Institute of Jesuit Sources ; Gujarat Sahitya Prakash.
Lua i Stíl Chicago (17ú heag.)Arrupe, Pedro, agus Jerome Aixala. Challenge to Religious Life Today. 2d ed. St. Louis : Anand, India: Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.
Lua MLA (8ú heag.)Arrupe, Pedro, agus Jerome Aixala. Challenge to Religious Life Today. 2d ed. Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.