Arrupe, P., & Harriott, J. (1977). A planet to heal: Reflections and forecasts (2d ed.). International Center for Jesuit Education.
Lua i Stíl Chicago (17ú heag.)Arrupe, Pedro, agus John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. Rome: International Center for Jesuit Education, 1977.
Lua MLA (8ú heag.)Arrupe, Pedro, agus John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. International Center for Jesuit Education, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.