Chen, M. X., & Mattoo, A. (2004). Regionalism in standards: Good or bad for traden. World Bank.
Lua i Stíl Chicago (17ú heag.)Chen, Maggie Xiaoyang, agus Aaditya Mattoo. Regionalism in Standards: Good or Bad for Traden. Washington, D.C: World Bank, 2004.
Lua MLA (9ú heag.)Chen, Maggie Xiaoyang, agus Aaditya Mattoo. Regionalism in Standards: Good or Bad for Traden. World Bank, 2004.
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