Research Center. February 2008 [2012-02-12]. (原始内容存档 (PDF)于2013-07-05). 美國法典第8编(英语:Title 8 ofthe United States Code) § 第1401節; 美國法典第8编(英语:Title 8 ofthe United
York City Department of City Planning. 2000 [2008-09-01]. (原始内容存档于2010-06-03). Private School Universe Survey. National Center for Education Statistics
Pivot oftheUniverse: Nasir Al-Din Shah Qajar and the Iranian Monarchy, 1831-1896. I. B. Tauris. 1997. ISBN 9781860640971. Bournoutian, George A. The Population