Labys, W. C. (1988). Recent developments in commodity modeling: A World Bank focus. International Economics Dept., World Bank.
Citazione stile Chigago Style (17a edizione)Labys, Walter C. Recent Developments in Commodity Modeling: A World Bank Focus. Washington, D.C: International Economics Dept., World Bank, 1988.
Citatione MLA (9a ed.)Labys, Walter C. Recent Developments in Commodity Modeling: A World Bank Focus. International Economics Dept., World Bank, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.