Cita APA (7th ed.)

Krugman, P., & Obstfeld, M. M. (2022). International Economics (12th.). Pearson.

Cita Chicago (17th ed.)

Krugman, Paul, i Maurice; Melitz Obstfeld. International Economics. 12th. Noida: Pearson, 2022.

Cita MLA (9th ed.)

Krugman, Paul, i Maurice; Melitz Obstfeld. International Economics. 12th. Pearson, 2022.