Tan, C. S. (1987). An econometric analysis of the world copper market. World Bank.
Cita Chicago (17th ed.)Tan, C. Suan. An Econometric Analysis of the World Copper Market. Washington: World Bank, 1987.
Cita MLA (9th ed.)Tan, C. Suan. An Econometric Analysis of the World Copper Market. World Bank, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.