Baumol, W. J. (2009). Contemporary Economics: Principles and policy. Cengage Learning.
Citazione stile Chigago Style (17a edizione)Baumol, William J. Contemporary Economics: Principles and Policy. New Delhi: Cengage Learning, 2009.
Citatione MLA (9a ed.)Baumol, William J. Contemporary Economics: Principles and Policy. Cengage Learning, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.