Gaya APA

Iparraguirre, I. (1955). A key to the study of the spiritual exercises, enlarged ed. Transl. by J. Chianese. : Lineas directivas de los Ejercicios Ignacianos. 1949 : Introduzione allo studio degli Esercizi Spirituali. 1951 . Calcutta: Calcutta Hibernian Press.

Gaya MLA

Iparraguirre, Ignacio. "A key to the study of the spiritual exercises, enlarged ed. Transl. by J. Chianese. : Lineas directivas de los Ejercicios Ignacianos. 1949 : Introduzione allo studio degli Esercizi Spirituali. 1951". Calcutta: Calcutta Hibernian Press, 1955. Buku.