Keller, W. How trade patterns and technology flows affect productivity growth. World Bank.
Citazione stile Chigago Style (17a edizione)Keller, Wolfgang. How Trade Patterns and Technology Flows Affect Productivity Growth. Washington, DC: World Bank.
Citatione MLA (9a ed.)Keller, Wolfgang. How Trade Patterns and Technology Flows Affect Productivity Growth. World Bank.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.