Chen, M. X., & Mattoo, A. (2004). Regionalism in standards: Good or bad for traden. World Bank.
Dyfyniad Arddull ChicagoChen, Maggie Xiaoyang, and Aaditya Mattoo. Regionalism in Standards: Good or Bad for Traden. Washington, D.C: World Bank, 2004.
Dyfyniad MLAChen, Maggie Xiaoyang, and Aaditya Mattoo. Regionalism in Standards: Good or Bad for Traden. World Bank, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.