Mansfield, E. (1995). Intellectual property protection, direct investment, and technology transfer: Germany, Japan, and the United States. World Bank.
Lua i Stíl Chicago (17ú heag.)Mansfield, Edwin. Intellectual Property Protection, Direct Investment, and Technology Transfer: Germany, Japan, and the United States. Washington, D.C: World Bank, 1995.
Lua MLA (9ú heag.)Mansfield, Edwin. Intellectual Property Protection, Direct Investment, and Technology Transfer: Germany, Japan, and the United States. World Bank, 1995.
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