Black, R. C. (1960). Economic thought and the Irish question 1817-1870. Gregg Revivals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlack, R.D. Collison. Economic Thought and the Irish Question 1817-1870. Gregg Revivals, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBlack, R.D. Collison. Economic Thought and the Irish Question 1817-1870. Gregg Revivals, 1960.
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