Permanent Committee for International Congresses of the Apostolate of the Laity & World Congress of the Lay Apostolate. (1960). Lay apostolate: Bulletin of the Permanent Committee for International Congresses of the Lay Apostolate. COPECIAL.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPermanent Committee for International Congresses of the Apostolate of the Laity और World Congress of the Lay Apostolate. Lay Apostolate: Bulletin of the Permanent Committee for International Congresses of the Lay Apostolate. Rome: COPECIAL, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPermanent Committee for International Congresses of the Apostolate of the Laity और World Congress of the Lay Apostolate. Lay Apostolate: Bulletin of the Permanent Committee for International Congresses of the Lay Apostolate. COPECIAL, 1960.