John XXIII, P. (1959). A letter from His Holiness, Pope John XXIII. Servants of the Holy Paraclete.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohn XXIII, Pope. A Letter from His Holiness, Pope John XXIII. Randolph, Vt.: Servants of the Holy Paraclete, 1959.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohn XXIII, Pope. A Letter from His Holiness, Pope John XXIII. Servants of the Holy Paraclete, 1959.
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