1. Adams, J. T. (1931). The epic of America. Little, Brown, & Company.
2. Armour, S. (2009, November 19). Next wave of foreclosures loom. USA Today, 1B.
3. Berk, L. M. (1977). The great middle American dream machine. Journal of Communication, 27(3), 27–31.
4. Davidson, P. (2014, July 6). Rise in part-time workers worries some experts. USA Today. Retrieved July 19, 2015, from https://www.usatoday.com/story/money/business/2014/07/06/part-time-workers/12185871/
5. Davis, J. H. (2008, October 7). Pension plans lose trillions. ABC News. Retrieved July 19, 2015, from https://abcnews.go.com/Business/Economy/story?id=5976063&page=1