Ferguson,Nail. (2013). The Great Degeneration: How Institutions Decay and Economies Die. Penguin press.
Chicago-čujuhus (17. p.)Ferguson,Nail. The Great Degeneration: How Institutions Decay and Economies Die. New York: Penguin press, 2013.
MLA-čujuhus (9. p.)Ferguson,Nail. The Great Degeneration: How Institutions Decay and Economies Die. Penguin press, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.