Gaya APA

XVI, B. (2007). Encyclical letter 'Spe Salvi' to the bishops, priests and deacons, men and women religious and all the lay faithful on Christian hope. . Rome: Rome Saint Peter.

Gaya MLA

XVI, Benedictus. "Encyclical letter 'Spe Salvi' to the bishops, priests and deacons, men and women religious and all the lay faithful on Christian hope. ". Rome: Rome Saint Peter, 2007. Buku.