Gaya APA

XI, P. (1942). Social wellsprings, vol.II: Eighteen encyclicals of social reconstruction. Preface, ann. & arr. by Joseph Husslein SJ. . Milwaukee: Bruce.

Gaya MLA

XI, Pius. "Social wellsprings, vol.II: Eighteen encyclicals of social reconstruction. Preface, ann. & arr. by Joseph Husslein SJ. ". Milwaukee: Bruce, 1942. Buku.