Franciscans. Minister General (1967-1979 : Koser) & Koser, C. (1965). Encyclical letter of the Most Reverend Constantine Koser, Vicar General O.F.M.: The media of social communication and of using them properly and to good purpose. Curia General.
Παραπομπή σε μορφή Chicago (17η εκδ.)Franciscans. Minister General (1967-1979 : Koser) και Costantino Koser. Encyclical Letter of the Most Reverend Constantine Koser, Vicar General O.F.M.: The Media of Social Communication and of Using Them Properly and to Good Purpose. Rome: Curia General, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Franciscans. Minister General (1967-1979 : Koser) και Costantino Koser. Encyclical Letter of the Most Reverend Constantine Koser, Vicar General O.F.M.: The Media of Social Communication and of Using Them Properly and to Good Purpose. Curia General, 1965.