Παραπομπή APA
Barber, W. J. (1988). From new era to new deal: Herbert Hoover, the economists and American economy policy, 1921-1933. Cambridge: Cambridge U.P..
Παραπομπή Chicago StyleBarber, William J. From New Era to New Deal: Herbert Hoover, the Economists and American Economy Policy, 1921-1933. Cambridge: Cambridge U.P., 1988.
Παραπομπή MLABarber, William J. From New Era to New Deal: Herbert Hoover, the Economists and American Economy Policy, 1921-1933. Cambridge: Cambridge U.P., 1988.
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