Gallagher, C. R. (2008). Vatican secret diplomacy: Joseph P. Hurley and Pope Pius XII. Yale University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGallagher, Charles R. Vatican Secret Diplomacy: Joseph P. Hurley and Pope Pius XII. New Haven: Yale University Press, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGallagher, Charles R. Vatican Secret Diplomacy: Joseph P. Hurley and Pope Pius XII. Yale University Press, 2008.
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