Gaya APA

Apostleship of prayer: monthly intentions, commentary - documentation. (1966/67), (1968/70), (1972-73), (1974/76) . (). Rome: Direzione Generale.

Gaya MLA

Apostleship of prayer: monthly intentions, commentary - documentation. (1966/67), (1968/70), (1972-73), (1974/76) . . Rome: Direzione Generale, . Majalah.