Gaya APA

Coppens, C, S. (1916). The spiritual exercises of St.Ignatius, adapted to an eight days retreat, and six triduums in preparation for the semi-annual renovation of the vows, all for the use of Jesuits only. . StLouis: Herder.

Gaya MLA

Coppens, Ch.,, S.J.. "The spiritual exercises of St.Ignatius, adapted to an eight days retreat, and six triduums in preparation for the semi-annual renovation of the vows, all for the use of Jesuits only. ". StLouis: Herder, 1916. Buku.