Cita APA (7th ed.)

Krugman, P. R. (2014). International Economics (8th.). Pearson.

Cita Chicago (17th ed.)

Krugman, Paul R. International Economics. 8th. Noida: Pearson, 2014.

Cita MLA (9th ed.)

Krugman, Paul R. International Economics. 8th. Pearson, 2014.