Gaya APA

Arrupe, P, S. (1975). A planet to heal, reflections and forecasts with a introd. and biographical note by John Hariott, S.J. . Rome: Ignatian Center of Spirituality.

Gaya MLA

Arrupe, Pedro,, S.J.. "A planet to heal, reflections and forecasts with a introd. and biographical note by John Hariott, S.J. ". Rome: Ignatian Center of Spirituality, 1975. Buku.