Case, K. E., & Fair, R. C. (2002). Principles of economics (6th ed.). Pearson Education.
Citazione stile Chigago Style (17a edizione)Case, Karl E., e Ray C. Fair. Principles of Economics. 6th ed. New Delhi: Pearson Education, 2002.
Citatione MLA (9a ed.)Case, Karl E., e Ray C. Fair. Principles of Economics. 6th ed. Pearson Education, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.