Frank, R. H. (2013). Falling behind: How rising inequality harms the middle class. University of California Press.
Chicago-čujuhus (17. p.)Frank, Robert H. Falling Behind: How Rising Inequality Harms the Middle Class. Berkeley: University of California Press, 2013.
MLA-čujuhus (9. p.)Frank, Robert H. Falling Behind: How Rising Inequality Harms the Middle Class. University of California Press, 2013.
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