Gaya APA

Ivern, F. (1978). Religious and the integral development of man, a reflection pn 'Populorum Progressio'. . Roma: Centrum Ignatianum Spiritualitatis.

Gaya MLA

Ivern, Francisco.. "Religious and the integral development of man, a reflection pn 'Populorum Progressio'. ". Roma: Centrum Ignatianum Spiritualitatis, 1978. Buku.