Stubbs, R., & Underhill, G. R. D. (1994). Political economy and the changing global order. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Stubbs, Richard, agus Geoffrey R. D. Underhill. Political Economy and the Changing Global Order. New York: St. Martin's Press, 1994.
Lua MLA (9ú heag.)Stubbs, Richard, agus Geoffrey R. D. Underhill. Political Economy and the Changing Global Order. St. Martin's Press, 1994.
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