Pastoral instruction "Aestatis Novae" on social communications on the twentieth anniversary of Communio et progressio /
Pontificium Consilium de Communicationibus Socialibus 
. - Citt ̉del Vaticano : Libreria Editrice Vaticana,  1992 
. - 32 p.  17 cm. 
 - Vatican documents. Pontificium Consilium de Communicationibus Socialibus .