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Lua i Stíl Chicago (17ú heag.)Griesgraber, Jo Marie, agus Bernhard G. Gunter. World Trade: Toward Fair and Free Trade in the Twenty-first Century. London ; Chicago, IL: Pluto Press, 1997.
Lua MLA (9ú heag.)Griesgraber, Jo Marie, agus Bernhard G. Gunter. World Trade: Toward Fair and Free Trade in the Twenty-first Century. Pluto Press, 1997.