Claessens, S. ,., & Duncan, R. C. (1993). Managing commodity price risk in developing countries: A world bank book. The johns hopkins university press.
Citação norma ChicagoClaessens, Stijn ,ed, and Ronald C. Duncan. Managing Commodity Price Risk in Developing Countries: A World Bank Book. London: The johns hopkins university press, 1993.
Citação norma MLAClaessens, Stijn ,ed, and Ronald C. Duncan. Managing Commodity Price Risk in Developing Countries: A World Bank Book. The johns hopkins university press, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.