[①] Office of Immigration Statistics,2009 Yearbook of Immigration Statistics,p.5, http://www.dhs.gov/xlibrary/assets/statistics/yearbook/2009/ois_yb_2009.pdf,2010年3月30日。

[②] Congressional Budget Office,The Role of Immigrants in the U. S. Labor Market, http://www.cbo.gov/ftpdocs/68xx/doc6853/11-10-Immigration.pdf, 2005年12月21日。

[③] Jean Baldwin Grossman,“The Substitutability of Natives and Immigrants in Production”,The Review of Economics and Statistics,Vol.64,No.4(Nov.,1982),pp.596-603;Joseph G.Altonji and David Card,“The Effects of Immigration on the Labor Market Outcomes of Less-skilled Natives”,In John M. Abowd and Richard B. Freeman, eds.,Immigration,Trade,and the Labor Market (Chicago:The University of Chicago Press,1991);Roy Beck,The Case Against Immigration:The Moral,Economic,Social,and Environmental Reasons for Reducing U.S. Immigration Back to Traditional Levels (New York:W.W.Norton &Company Inc.,1996);George J.Borjas,Richard B.Freeman, Lawrence F.Katz,John DiNardo and John M.Abowd,“How Much Do Immigration and Trade Affect Labor Market Outcomes?”,Brookings Papers on Economic Activity,Vol.1997,No.1(1997),pp.1-90; George J. Borjas,“The Labor Demand Curve is Downward Sloping: Reexamining the Impact of Immigration on the Labor Market”,The Quarterly Journal of Economics,Vol.118,No.4 (Nov.,2003), pp.1335-1374.

[④] VernonM. Briggs, Jr. and Stephen Moore,Still an Open Door?U.S.Immigration Policy and the American Economy (Washington,D.C.:The American University Press,1994),p.7.

[⑤] 邓蜀生：《世代悲欢美国梦——美国的移民历程及种族矛盾（1607-2000）》，北京：中国社会科学出版社，2001年版，第62页。

[⑥] Mary Jane Lopez,High-Skill Immigrants in the U.S.Economy:Do High-Skill Immigrants Substitute or Complement Native-Born Workers? (The University of Nortre Dame, 2003),P.4，下载自ProQuest Digital Dissertations（PQDD）学位论文数据库，2008年12月25日。

[⑦] David L.Bartlett, Building A Competitive Workforce:Immigration and the U.S.Manufacturing Sector,P.1, Http://www.ailf.org/ipc/infocus/infocus_8_1_06.pdf,2008年8月3日。

[⑧] National Science Foundation,Immigrant Scientists, Engineers,and Technicians:1993,pp.15,49, phttp://www.nsf.gov/ statistics/nsf96322/nsf96322.pdf,2008年12月26日。需要注意的是，此处不包括1979-1981三年的数据。另外，“科学家与工程师”的概念界定是依据个人的教育和职业背景来划分的，不包括那些认为自己的职业为研究者、管理者、教师或学生的人员，也不包括那些在入境时没有登记职业、处于失业状态或不属于劳动力范畴之内的各类人员。

[⑨] Jorge A.Bustamante,Clark W.Reynolds,and Raúl A.Hinojasa Ojeda,eds.,U.S.-Mexico Relations:Labor Market Interdep