Stubbs, R., & Undershill, G. (1994). Political economy and the changing global order. Macmillan.
Lua i Stíl Chicago (17ú heag.)Stubbs, Richard, agus Geoffrey Undershill. Political Economy and the Changing Global Order. Houndmills, Basingstoke, Hampshire: Macmillan, 1994.
Lua MLA (9ú heag.)Stubbs, Richard, agus Geoffrey Undershill. Political Economy and the Changing Global Order. Macmillan, 1994.
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