Gaya APA

Arrupe, P. (1981). Other apostolates today, selected letters and addresses, 3. Edited by Jerome Aixala. . St Louis: St Louis Institute of Jesuit Sources.

Gaya MLA

Arrupe, Pedro. "Other apostolates today, selected letters and addresses, 3. Edited by Jerome Aixala. ". St Louis: St Louis Institute of Jesuit Sources, 1981. Buku.