Arrupe, P., & Harriott, J. (1977). A planet to heal: Reflections and forecasts (2d ed.). International Center for Jesuit Education.
Citace podle Chicago (17th ed.)Arrupe, Pedro, a John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. Rome: International Center for Jesuit Education, 1977.
Citace podle MLA (8th ed.)Arrupe, Pedro, a John Harriott. A Planet to Heal: Reflections and Forecasts. 2d ed. International Center for Jesuit Education, 1977.
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