Nancy DuVergne Smith, «MIT Living Wage Calculator: Why Higher Wages Help Everybody», Slice of MIT (blog), February 6, 2014.
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Stanley F. Stasch, «The Creation and Destruction of the Great American Middle Class (1930–2010)», School of Business Faculty Publications and Other Works. Paper 5. http://ecommons.luc.edu/business_facpubs/5.
