Buthe, Tim, and Helen Milner. (2008) 2008. “The Politics of Foreign Direct Investment into Developing Countries: Increasing FDI through International Trade Agreements?”. American Journal of Political Science 52 (4): - 762. Referenced from search.proquest.com: The politics of foreign direct investment into developing countries: increasing FDI through international trade agreements?.

Milner, Helen. (1999) 1999. “The Political Economy of International Trade”. Annual Review of Political Science 2: - 114. Referenced from search.proquest.com: The Political Economy of International Trade.