Não informado. (1968). Commodity trade and price trends. International Bank for Reconstruction and Development.
Style de citation Chicago (17e éd.)Não informado. Commodity Trade and Price Trends. Washington: International Bank for Reconstruction and Development, 1968.
Style de citation MLA (8e éd.)Não informado. Commodity Trade and Price Trends. International Bank for Reconstruction and Development, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.