Frank, R. H. (2013). Falling behind: How rising inequality harms the middle class. University of California Press.
Chicago-referens (17:e uppl.)Frank, Robert H. Falling Behind: How Rising Inequality Harms the Middle Class. Berkeley: University of California Press, 2013.
MLA-referens (9:e uppl.)Frank, Robert H. Falling Behind: How Rising Inequality Harms the Middle Class. University of California Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.