Παραπομπή σε μορφή APA (7η εκδ.)

Arrupe, P., & Aixala, J. (1979). Selected letters and addresses (2nd ed.). Institute of Jesuit Sources ; Gujarat Sahitya Prakash.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Arrupe, Pedro, και Jerome Aixala. Selected Letters and Addresses. 2nd ed. St. Louis : Anand, India: Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

Arrupe, Pedro, και Jerome Aixala. Selected Letters and Addresses. 2nd ed. Institute of Jesuit Sources ; Gujarat Sahitya Prakash, 1979.