University of Chicago Law School (March 27, 2008). "Statement regarding Barack Obama". University of Chicago Law School. Diarsipkan dari versi asli tanggal 2008-06-08. Diakses tanggal March 29, 2008.
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University of Chicago Law School (March 27, 2008). "Statement regarding Barack Obama". University of Chicago Law School. Diarsipkan dari versi asli tanggal 2008-06-08. Diakses tanggal March 29, 2008.