Paul VI, P. (1968). The Holy Father's message for world communications day, May 26, 1968. [publisher not identified].
Style de citation Chicago (17e éd.)Paul VI, Pope. The Holy Father's Message for World Communications Day, May 26, 1968. [Place of publication not identified]: [publisher not identified], 1968.
Style de citation MLA (8e éd.)Paul VI, Pope. The Holy Father's Message for World Communications Day, May 26, 1968. [publisher not identified], 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.