Qian, Y. (1990). Do steel prices move together?: A cointegration test. Washington: World Bank.
Citación estilo ChicagoQian, Ying. Do Steel Prices Move Together?: A Cointegration Test. Washington: World Bank, 1990.
Cita MLAQian, Ying. Do Steel Prices Move Together?: A Cointegration Test. Washington: World Bank, 1990.
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