Case, K. E., Fair, R. C., & Oster, S. E. (2018). Principles of Economics (12th ed.). Pearson education India Pvt. Ltd.
Citazione stile Chigago Style (17a edizione)Case, Karl E., Ray C. Fair, e Sharon E. Oster. Principles of Economics. 12th ed. New Delhi: Pearson education India Pvt. Ltd, 2018.
Citatione MLA (9a ed.)Case, Karl E., et al. Principles of Economics. 12th ed. Pearson education India Pvt. Ltd, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.