Citazione Stile APA (7a Edizione)

Case, K. E., Fair, R. C., & Oster, S. M. (2020). Principles of economics (Thirteenth edition.). Pearson.

Citazione stile Chigago Style (17a edizione)

Case, Karl E., Ray C. Fair, e Sharon M. Oster. Principles of Economics. Thirteenth edition. Harlow, UK: Pearson, 2020.

Citatione MLA (9a ed.)

Case, Karl E., et al. Principles of Economics. Thirteenth edition. Pearson, 2020.