Breckinridge, R. J. (1854). Denominational secular education: Remarks introductory to a tract. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBreckinridge, Robert J. Denominational Secular Education: Remarks Introductory to a Tract. Philadelphia, 1854.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBreckinridge, Robert J. Denominational Secular Education: Remarks Introductory to a Tract. Philadelphia, 1854.
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