Gerard, J. (1922). Does the end justify the means? (New and rev. ed.). Catholic Truth Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGerard, John. Does the End Justify the Means? New and rev. ed. London: Catholic Truth Society, 1922.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGerard, John. Does the End Justify the Means? New and rev. ed. Catholic Truth Society, 1922.
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