Sampson, G. P., & Woolcock, S. (2003). Regionalism, multilateralism, and economic integration: The recent experience. United Nations University Press.
Lua i Stíl Chicago (17ú heag.)Sampson, Gary P., agus Stephen Woolcock. Regionalism, Multilateralism, and Economic Integration: The Recent Experience. Tokyo ; New York: United Nations University Press, 2003.
Lua MLA (9ú heag.)Sampson, Gary P., agus Stephen Woolcock. Regionalism, Multilateralism, and Economic Integration: The Recent Experience. United Nations University Press, 2003.
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