Cita APA (7a ed.)

Case, K. E. (2014). Principles of economics (Eleventh edition.). Pearson.

Cita Chicago Style (17a ed.)

Case, Karl E. Principles of Economics. Eleventh edition. Singapore: Pearson, 2014.

Cita MLA (9a ed.)

Case, Karl E. Principles of Economics. Eleventh edition. Pearson, 2014.