Paul VI, P. (1968). The Holy Father's message for world communications day, May 26, 1968. [publisher not identified].
Chicagoスタイル(17版)引用形式Paul VI, Pope. The Holy Father's Message for World Communications Day, May 26, 1968. [Place of publication not identified]: [publisher not identified], 1968.
MLA(8版)引用形式Paul VI, Pope. The Holy Father's Message for World Communications Day, May 26, 1968. [publisher not identified], 1968.
警告: この引用は必ずしも正確ではありません.