1. Beaumont, Gustave de, and Alexis de Tocqueville. 1833. On the Penitentiary System in the United States and Its Application in France, with an Appendix on Penal Colonies and also Statistical Notes, trans. Francis Lieber. Philadelphia: Carey, Lea & Blanchard.
2. Fleming, John. 2016. Gallup Analysis: Millennials, Marriage, and Family. Gallup News.
http://www.gallup.com/poll/191462/gallup-analysis-millennials-marriage-family.aspx
. Accessed 14 November 2017.
3. Fry, Richard. 2017. It’s Becoming More Common for Young Adults to Live at Home—And for Longer Stretches. Pew Research Center.
http://www.pewresearch.org/fact-tank/2017/05/05/its-becoming-more-common-for-young-adults-to-live-at-home-and-for-longer-stretches/
. Accessed 14 November 2017.
4. Maletz, Donald. 2005. Tocqueville on Mores and the Preservation of Republics. American Journal of Political Science 49 (1): 1–15.
5. Obama, Barack. 2015. Remarks by the President at the NAACP Conference. Philadelphia, PA: The White House Office of the Press Secretary.
https://obamawhitehouse.archives.gov/the-press-office/2015/07/14/remarks-president-naacp-conference
. Accessed 14 November 2017.