Catholic Church. Pope (1978-2005 : John Paul II) & John Paul II, P. (1985). In commemoration of the eleventh centenary of the evangelizing work of Saints Cyril and Methodius: Encyclical epistle to the bishops, priests and religious families and to all the Christian faithful. St. Paul Editions.
Παραπομπή σε μορφή Chicago (17η εκδ.)Catholic Church. Pope (1978-2005 : John Paul II) και Pope John Paul II. In Commemoration of the Eleventh Centenary of the Evangelizing Work of Saints Cyril and Methodius: Encyclical Epistle to the Bishops, Priests and Religious Families and to All the Christian Faithful. Boston: St. Paul Editions, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)Catholic Church. Pope (1978-2005 : John Paul II) και Pope John Paul II. In Commemoration of the Eleventh Centenary of the Evangelizing Work of Saints Cyril and Methodius: Encyclical Epistle to the Bishops, Priests and Religious Families and to All the Christian Faithful. St. Paul Editions, 1985.